Q: What are the prime factors of the number 18,272,002?

 A: 2, 7, 47, 3967

Why are those the prime factors of the number 18,272,002?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 18,272,002

18,272,002
Factor Arrows
29,136,001
Factor Arrows
71,305,143
Factor Arrows
7186,449
Factor Arrows
473,967

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 47, 3967

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 47 x 3,967 = 18,272,002

This can also be written as 21 x 72 x 471 x 3,9671 = 18,272,002

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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