Q: What are the prime factors of the number 272,020?

 A: 2, 5, 7, 29, 67

Why are those the prime factors of the number 272,020?

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 272,020

272,020
Factor Arrows
2136,010
Factor Arrows
268,005
Factor Arrows
513,601
Factor Arrows
71,943
Factor Arrows
2967

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, 7, 29, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 29 x 67 = 272,020

This can also be written as 22 x 51 x 71 x 291 x 671 = 272,020

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


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