Q: What are the prime factors of the number 88,438,624?

 A: 2, 17, 73, 131

Why are those the prime factors of the number 88,438,624?

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 88,438,624

88,438,624
Factor Arrows
244,219,312
Factor Arrows
222,109,656
Factor Arrows
211,054,828
Factor Arrows
25,527,414
Factor Arrows
22,763,707
Factor Arrows
17162,571
Factor Arrows
179,563
Factor Arrows
73131

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, 17, 73, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 17 x 73 x 131 = 88,438,624

This can also be written as 25 x 172 x 731 x 1311 = 88,438,624

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


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