Q: What are the prime factors of the number 1,471,440?

 A: 2, 3, 5, 6131

Why are those the prime factors of the number 1,471,440?

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 1,471,440

1,471,440
Factor Arrows
2735,720
Factor Arrows
2367,860
Factor Arrows
2183,930
Factor Arrows
291,965
Factor Arrows
330,655
Factor Arrows
56,131

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, 5, 6131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 6,131 = 1,471,440

This can also be written as 24 x 31 x 51 x 6,1311 = 1,471,440

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


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