Q: What are the prime factors of the number 54,140,688?

 A: 2, 3, 7, 7673

Why are those the prime factors of the number 54,140,688?

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 54,140,688

54,140,688
Factor Arrows
227,070,344
Factor Arrows
213,535,172
Factor Arrows
26,767,586
Factor Arrows
23,383,793
Factor Arrows
31,127,931
Factor Arrows
3375,977
Factor Arrows
753,711
Factor Arrows
77,673

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, 7, 7673

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 7 x 7 x 7,673 = 54,140,688

This can also be written as 24 x 32 x 72 x 7,6731 = 54,140,688

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


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