Q: What are the prime factors of the number 85,854,288?

 A: 2, 3, 13, 137587

Why are those the prime factors of the number 85,854,288?

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 85,854,288

85,854,288
Factor Arrows
242,927,144
Factor Arrows
221,463,572
Factor Arrows
210,731,786
Factor Arrows
25,365,893
Factor Arrows
31,788,631
Factor Arrows
13137,587

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, 13, 137587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 137,587 = 85,854,288

This can also be written as 24 x 31 x 131 x 137,5871 = 85,854,288

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


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