Q: What are the prime factors of the number 1,337,056?

 A: 2, 7, 47, 127

Why are those the prime factors of the number 1,337,056?

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 1,337,056

1,337,056
Factor Arrows
2668,528
Factor Arrows
2334,264
Factor Arrows
2167,132
Factor Arrows
283,566
Factor Arrows
241,783
Factor Arrows
75,969
Factor Arrows
47127

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, 47, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 47 x 127 = 1,337,056

This can also be written as 25 x 71 x 471 x 1271 = 1,337,056

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


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