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Q: Which are the composite numbers from 40 to 80?

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composite numbers 30-40

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 are the composite numbers between 1 and 40.

30,32,33,34,35,36,38,39,40 are the composite numbers between 30 and 40. Composite numbers are numbers that are not prime numbers.

ANSWER: 70 and 80 are not prime numbers. They are composite numbers:70 is a composite number because the factors of 70 other 1 and itself (70) are 2, 5, 7, 10, 14, and 35.80 is also a composite number because the factors of 80 other 1 and itself (80) are 2, 4, 5, 8, 10,16, 20, and 40.

They are even

The composite numbers between 70 and 80 are 72, 74, 75, 76, 77 and 78.

The composite numbers between 30 and 40 are: 32, 33, 34, 35, 36, 38 and 39. The prime numbers between 30 and 40 are 31 and 37. Note: 30 and 40 are also composite numbers.

4, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

All even numbers between 50 and 80 are composite.

There are 3 composite numbers between 35 and 40. They are 36, 38, and 39.

Composite factors of 80 : 4, 8, 10, 16, 20, 40, 80 Factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Composite numbers between 25 and 40 (excluding 25 and 40, which are also composite numbers), are: 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, and 39.

Including 40 and 50 there are 8 composite numbers because 41, 43 and 47 are prime numbers.

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40 and 80

The composite numbers between 30 and 40 are 32, 33, 34, 35, 36, 38, and 39.

Since they can both be evenly divided by factors other than themselves and 1, they are both composite numbers.

4, 8, 10, 16, 20, 40, 80

They are the numbers that have more than two factors in them.

The composite numbers between 40 and 50 are 42, 44, 46, 48.

The GCF of these numbers is 40.

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

81, 82, 84, 85, 86, 87, 88. 80 and 90 are composite too

Look up a table of prime numbers. All those numbers that are not prime, are composite - except 1, which is neither prime nor composite.

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