Q: What are the prime factors of the number 985,272?

 A: 2, 3, 61, 673

Why are those the prime factors of the number 985,272?

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 985,272

985,272
Factor Arrows
2492,636
Factor Arrows
2246,318
Factor Arrows
2123,159
Factor Arrows
341,053
Factor Arrows
61673

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, 61, 673

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 61 x 673 = 985,272

This can also be written as 23 x 31 x 611 x 6731 = 985,272

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


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