Q: What are the prime factors of the number 86,459,460?

 A: 2, 3, 5, 251, 5741

Why are those the prime factors of the number 86,459,460?

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 86,459,460

86,459,460
Factor Arrows
243,229,730
Factor Arrows
221,614,865
Factor Arrows
37,204,955
Factor Arrows
51,440,991
Factor Arrows
2515,741

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, 251, 5741

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 251 x 5,741 = 86,459,460

This can also be written as 22 x 31 x 51 x 2511 x 5,7411 = 86,459,460

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


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