Q: What are the prime factors of the number 1,757,220?

 A: 2, 3, 5, 29287

Why are those the prime factors of the number 1,757,220?

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 1,757,220

1,757,220
Factor Arrows
2878,610
Factor Arrows
2439,305
Factor Arrows
3146,435
Factor Arrows
529,287

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, 29287

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 29,287 = 1,757,220

This can also be written as 22 x 31 x 51 x 29,2871 = 1,757,220

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


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