Q: What are the prime factors of the number 748,520?

 A: 2, 5, 18713

Why are those the prime factors of the number 748,520?

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 748,520

748,520
Factor Arrows
2374,260
Factor Arrows
2187,130
Factor Arrows
293,565
Factor Arrows
518,713

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, 5, 18713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 18,713 = 748,520

This can also be written as 23 x 51 x 18,7131 = 748,520

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


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