What from 1 to 100 are not divisible by 2 3 5 and 7?

What is 1 to 100 not divisible by 2 3 5 and 7

We know that there are 25 prime numbers between 1 and 100. Since 2, 3, 5 and 7 are prime numbers, total prime numbers, which are not divisible by 2, 3, 5 and 7, are (25 – 4) 21.

How many numbers from 1 to 100 are not divisible by 2 3 or 5

∴ no of positive integer divible not by 2,3,5 are = 100−74=26.

What numbers less than 100 are not divisible by 2 3 5

Numbers not divisible by 2, 3 & 5 = 100 – 74 = 26.

What is a prime number not divisible by 2 3 5 7

A number less than number 121 is not divisible by 2, 3, 5, or 7 is prime. Otherwise, the number is composite. A number less than 289, which is not divisible by 2, 3, 5, 7, 11, or 13, is also prime.

How many integers between 1 and 1000 are not divisible by 2 3 5 7

Now 1 and 1000 must be excluded. Since 1 is not divisible by 2, 3, 4 or 7 while 1000 is divisible by 5, the answer is 228 − 1 = 227.

How many numbers between 1 and 1000 are not divisible by 3 5 or 7

Note that 2,3,5 and 7 are not divisible by 1, while 1000 is divisible by 2 and 5. Hence, the number of integers that are not divisible by 2,3,5, and 7 between 1 and 1000 (exclusive) = 228 – 1 = 227.

What is 1 to 100 divisible by 7

How many numbers are there between 1 and 100 are divisible by 7 There are 14 numbers between 1 and 100, which are exactly divisible by 7. They are 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98.

What is 1 to 100 not divisible by 3 or 5

Expert-Verified Answer

Between 1 and 100, there are 100/15=6.66 and so 6 numbers (you can check that by multiplying 15 by 6 and 7 which gives us 90 and 105 respectively)-15,30,45,60,75 and 90. Therefore, there are 94 (100–6) numbers between 1 and 100 that are not divisible by 3 and 5 simultaneously.

What number is divisible by 2 3 5 7

These are the numbers 3,9,15,21,…,393,399.

Which of the following is not a prime number 1 2 3 5 7

A prime number is a whole number greater than 1 whose only factors are 1 and itself. The first ten primes are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29. It should be noted that 1 is a non-prime number.

How many numbers from 1 to 1000 are divisible by 3 or 5 or 7

1~1000, there are 333 numbers can be divided by 3; there are 200 numbers can be divided by 5; there are 142 numbers can be divided by 7; However there are 66 numbers can be divided by both 3 and 5 (e.g. 15); there are 47 numbers can be divided by both 3 and 7 (e.g. 21); there are 28 numbers can be divided by both 5 and …

How many numbers from 1 to 1000 are divisible by 2 3 4 and 5

16 numbers

Detailed Solution

∴ Total 16 numbers from 1 to 1000 are divisible by 2, 3, 4 and 5. RRB NTPC Result, Cut Off for Pay Level 5 declared for RRB Chandigarh. For other RRBs, the results will be released. Earlier, the RRB had released the tentative schedule for the upcoming DV &Medical Examination for various posts..

How many numbers from 1 to 100 are not divisible by 2 or 4 or 5

Numbers divisible by 2, 4 and 5 are 20, 40, 60, 80, 100. Total numbers divisible by 2 or 4 or 5 are 49 + 24 + 19 – 12 – 9 – 4 + 1 = 70. Therefore, the required answer is 100 – 70 = 30. Hence, the correct option is (B) 40.

How many numbers less than 100 are divisible by 3 5 and 7

But since 105 > 100, there is no number less than 100 which is divisible by all 3,5 and 7. So there are 0 positive integers which are less than 100 and are divisible by 3,5 and 7.

How many terms from 1 to 1000 are divisible by 7

142 numbers

Q. How many numbers between 1 to 1000 are divisible by 7 Notes: Because to get numbers between 1 to 1000 which are divisible by 7 can be calculated very easily just only by dividing 1000 by 7, 1000/7=142.8571, so 142 numbers are there between 1 to 1000 are divisible by 7, thus option (b) is the right answer.

How many numbers between 1 to 100 are divisible by 5

20

So, the total number of natural numbers between 1 and 100 that are divisible by 5 are 20.

What numbers from 1 to 100 are divisible by 2 and 5

The integers from 1 to 100, which are divisible by 5, are 5, 10… 100.The integers, which are divisible by both 2 and 5, are 10, 20, … 100.∴Required sum = 2550 + 1050 – 550 = 3050. Thus, the sum of the integers from 1 to 100, which are divisible by 2 or 5, is 3050.

How many integers between 1 and 250 are divisible by 2 3 5 or 7

Expert-Verified Answer

There are 193 integers between 1 and 250 both inclusive that are divisible by 2,3,5 and 7.

What is the smallest number divisible by 1 2 3 4 5 6 and 7

2520

2520 is: the smallest number divisible by all integers from 1 to 10, i.e., it is their least common multiple. half of 7! (5040), meaning 7 factorial, or 1×2×3×4×5×6×7.

Which of the following are prime numbers 1 2 3 4 5 6 7 8

From 1 through 10, there are 4 primes: 2, 3, 5, and 7. From 11 through 20, there are again 4 primes: 11, 13, 17, and 19. From 21 through 30, there are only 2 primes: 23 and 29.

What are not prime numbers 1 to 100

Positive nonprime numbers

A018252 The nonprime numbers (the unit 1 together with the composite numbers, A002808.) {1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, …}

How many of the first 1000 integers are not divisible by 2 3 5 or 7

Note that 2,3,5 and 7 are not divisible by 1, while 1000 is divisible by 2 and 5. Hence, the number of integers that are not divisible by 2,3,5, and 7 between 1 and 1000 (exclusive) = 228 – 1 = 227.

How many of the first 1000 integers are not divisible by 2 3 5 7

Note that 2,3,5 and 7 are not divisible by 1, while 1000 is divisible by 2 and 5. Hence, the number of integers that are not divisible by 2,3,5, and 7 between 1 and 1000 (exclusive) = 228 – 1 = 227.

How many integers between 1 to 1000 are divisible by 2 3 5 and 7

So |A ∪ B ∪ C ∪ D| = 772. Our answer is 1000 − 772 = 228.

How many numbers from 1 to 100 are divisible by 2 3 4 and 5

Therefore, 60 is the only number (less than 100) divisible by 2,3,4,and5.