Q: What are the prime factors of the number 1,354,248?

 A: 2, 3, 7, 2687

Why are those the prime factors of the number 1,354,248?

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 1,354,248

1,354,248
Factor Arrows
2677,124
Factor Arrows
2338,562
Factor Arrows
2169,281
Factor Arrows
356,427
Factor Arrows
318,809
Factor Arrows
72,687

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, 7, 2687

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 2,687 = 1,354,248

This can also be written as 23 x 32 x 71 x 2,6871 = 1,354,248

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


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