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It is 3 time 7 = 21

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Q: How do you write 21 as a product of prime numbers?
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Related questions

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

3 and 7 are prime numbers whose product is 21.


How can you write 21 as a product of its prime factors?

As a product of its prime factors: 3*7 = 21


What is 21 as the product of prime numbers?

It is: 3*7 = 21


What prime numbers equal to 21?

if you mean their product is 21, then 7x3=21


What is the product of 40 using prIme numbers?

21


What is the LCM of two co prime numbers?

Product of the two prime numbers is the LCM. For example 3, 7 have 21 as LCM


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

It is simply: 3 times 7 = 21


Is 21 prime or not prime?

21 = 3x7, and so is not prime, as it can be expressed as the product of multiple prime numbers


Is 21 seven a prime number?

21 is the product of two prime numbers, three and seven. A prime number is defined as a number divisible only by one or itself. So ... NO ... 21 is not a prime number.


What odd number between 11 and 21 is the product of two prime numbers?

13 is prime so it is not the number. 15 is the product of 3 and 5, two prime numbers, so it fits the conditions. 17 is prime so it is not the number. 19 is prime so it is not the number. 15 is the only odd number between 11 and 21 that fits the conditions. However, if 21 is included in the range, it also is the product of two prime numbers: 3 x 7.


What are two prime numbers whose sum is 10 and product is 21?

3 and 7 are the prime numbers because they cannot be divided by any number other than themselves and 1because 3+7 = 10 (Sum)and 3x7 = 21 (Product)


What least common multiple equals the product of the two numbers?

If the least common multiple of two numbers equals the product of the two numbers, then the numbers are relatively prime, that is their highest common factor is 1. For example, the numbers 10 and 21: The lcm is 10 x 21 = 210 They are relatively prime since their hcf is 1.