Q: What are the prime factors of the number 1,347,250?

 A: 2, 5, 17, 317

Why are those the prime factors of the number 1,347,250?

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 1,347,250

1,347,250
Factor Arrows
2673,625
Factor Arrows
5134,725
Factor Arrows
526,945
Factor Arrows
55,389
Factor Arrows
17317

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, 5, 17, 317

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 17 x 317 = 1,347,250

This can also be written as 21 x 53 x 171 x 3171 = 1,347,250

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


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