Q: What are the prime factors of the number 272,126,920?

 A: 2, 5, 13, 677, 773

Why are those the prime factors of the number 272,126,920?

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 272,126,920

272,126,920
Factor Arrows
2136,063,460
Factor Arrows
268,031,730
Factor Arrows
234,015,865
Factor Arrows
56,803,173
Factor Arrows
13523,321
Factor Arrows
677773

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, 13, 677, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 677 x 773 = 272,126,920

This can also be written as 23 x 51 x 131 x 6771 x 7731 = 272,126,920

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


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