Q: What are the prime factors of the number 86,252,688?

 A: 2, 3, 66553

Why are those the prime factors of the number 86,252,688?

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 86,252,688

86,252,688
Factor Arrows
243,126,344
Factor Arrows
221,563,172
Factor Arrows
210,781,586
Factor Arrows
25,390,793
Factor Arrows
31,796,931
Factor Arrows
3598,977
Factor Arrows
3199,659
Factor Arrows
366,553

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, 66553

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 66,553 = 86,252,688

This can also be written as 24 x 34 x 66,5531 = 86,252,688

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


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