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Q: What numbers is not composite 37 39 15 21?

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37 is prime, the other is composite.

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The prime numbers are 19, 29, 31, and 37. The composite number is 35.

5 and 37 are prime. 12 and 18 are composite.

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The first five composite numbers are 4, 6, 8, 9 and 10; and their sum is 37 also 28

37 has two factors, 1 and 37. 37 is prime. 1 is neither.

The composite numbers in that list are 22 and 36 - you know they are composite, because they are even numbers. The other numbers are odd and prime.

31, 37, & 41 are prime; 32,33,34,35,36,38,39 & 40 are composite.

All except 37.

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The prime numbers between 30 and 50 are 31, 37, 41, 43 and 47. The rest are composite.

37 + 21 = 5837 - 21 = 16The two numbers therefore are 37 and 21.

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The composite numbers between 1 and 10 are 4, 6, 8, 9, 10. And their sum is 37.

A composite number is a number that can be divided in a way other than itself and by 1. Other than 2, all even numbers are composite, so if you include 10 and 82 the answer would be 39 composite numbers. Without 10 and 82, the answer would be 37 composite numbers.

31,37 are not composite

The 8th prime number is 19. The 12th prime number is 37. There are 17 numbers between 19 and 37. There are three prime numbers between the 8th and 12th prime numbers (the 9th, 10th, and 11th). So, there are 17 - 3 = 14 composite numbers.

2n + 15 = 37

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It is 32 and the others are prime numbers