Q: What are the prime factors of the number 64,642,230?

 A: 2, 3, 5, 73, 9839

Why are those the prime factors of the number 64,642,230?

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 64,642,230

64,642,230
Factor Arrows
232,321,115
Factor Arrows
310,773,705
Factor Arrows
33,591,235
Factor Arrows
5718,247
Factor Arrows
739,839

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, 3, 5, 73, 9839

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 73 x 9,839 = 64,642,230

This can also be written as 21 x 32 x 51 x 731 x 9,8391 = 64,642,230

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


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