Q: What are the prime factors of the number 1,246,752?

 A: 2, 3, 13, 37

Why are those the prime factors of the number 1,246,752?

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 1,246,752

1,246,752
Factor Arrows
2623,376
Factor Arrows
2311,688
Factor Arrows
2155,844
Factor Arrows
277,922
Factor Arrows
238,961
Factor Arrows
312,987
Factor Arrows
34,329
Factor Arrows
31,443
Factor Arrows
3481
Factor Arrows
1337

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, 13, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 13 x 37 = 1,246,752

This can also be written as 25 x 34 x 131 x 371 = 1,246,752

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


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