Q: What are the prime factors of the number 78,663,588?

 A: 2, 3, 23, 257, 1109

Why are those the prime factors of the number 78,663,588?

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 78,663,588

78,663,588
Factor Arrows
239,331,794
Factor Arrows
219,665,897
Factor Arrows
36,555,299
Factor Arrows
23285,013
Factor Arrows
2571,109

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, 23, 257, 1109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 23 x 257 x 1,109 = 78,663,588

This can also be written as 22 x 31 x 231 x 2571 x 1,1091 = 78,663,588

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


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