Q: What are the prime factors of the number 93,249,128?

 A: 2, 7, 47, 71, 499

Why are those the prime factors of the number 93,249,128?

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 93,249,128

93,249,128
Factor Arrows
246,624,564
Factor Arrows
223,312,282
Factor Arrows
211,656,141
Factor Arrows
71,665,163
Factor Arrows
4735,429
Factor Arrows
71499

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, 7, 47, 71, 499

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 47 x 71 x 499 = 93,249,128

This can also be written as 23 x 71 x 471 x 711 x 4991 = 93,249,128

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


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