Q: What are the prime factors of the number 88,719,540?

 A: 2, 3, 5, 7, 13, 16249

Why are those the prime factors of the number 88,719,540?

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 88,719,540

88,719,540
Factor Arrows
244,359,770
Factor Arrows
222,179,885
Factor Arrows
37,393,295
Factor Arrows
51,478,659
Factor Arrows
7211,237
Factor Arrows
1316,249

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, 7, 13, 16249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 13 x 16,249 = 88,719,540

This can also be written as 22 x 31 x 51 x 71 x 131 x 16,2491 = 88,719,540

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


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