Q: What are the prime factors of the number 325,635,142?

 A: 2, 7, 29, 67, 11971

Why are those the prime factors of the number 325,635,142?

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 325,635,142

325,635,142
Factor Arrows
2162,817,571
Factor Arrows
723,259,653
Factor Arrows
29802,057
Factor Arrows
6711,971

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, 29, 67, 11971

We can check our work by multiplying all of the prime factors together: 2 x 7 x 29 x 67 x 11,971 = 325,635,142

This can also be written as 21 x 71 x 291 x 671 x 11,9711 = 325,635,142

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


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