Q: What are the prime factors of the number 8,000,272?

 A: 2, 7, 61, 1171

Why are those the prime factors of the number 8,000,272?

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 8,000,272

8,000,272
Factor Arrows
24,000,136
Factor Arrows
22,000,068
Factor Arrows
21,000,034
Factor Arrows
2500,017
Factor Arrows
771,431
Factor Arrows
611,171

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, 7, 61, 1171

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 61 x 1,171 = 8,000,272

This can also be written as 24 x 71 x 611 x 1,1711 = 8,000,272

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


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