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Is 7 and 3 and 21 prime numbers?

Updated: 10/17/2024

Wiki User

∙ 10y ago

Best Answer

7 and 3 are prime numbers but 21 is a composite nuber

Wiki User

∙ 10y ago

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Q: Is 7 and 3 and 21 prime numbers?

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Related questions

What are prime numbers of 21?

factors of 21: 3, 7 prime factors of 21: 3, 7

What are the prime numbers for 21?

The prime factors of 21 are 3 x 7.

What is 21 as the product of prime numbers?

It is: 3*7 = 21

What number is a factor of 21 and a prime number?

21 = 3 x 7 both 3 and 7 are prime numbers

Are 17 and 21 prime numbers?

17 is a prime number, but 21 is not (21 = 3 * 7).

What prime numbers go into 21?

They are: 3 and 7

What equals to 21 with prime numbers?

3 x 7 = 21

What are the only 2 prime numbers whose product is 21?

3 and 7 are prime numbers whose product is 21.

How do you write 21 as a product of prime numbers?

It is 3 time 7 = 21

What numbers would be in a factor tree for 21?

Its factors are: 1 3 7 and 21 Note that 3 and 7 are prime numbers

What 2 prime numbers are factors of 21?

3 and 7

How many different prime numbers are in 21?

There are two different numbers. 3 and 7

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