Q: What are the prime factors of the number 1,130,140?

 A: 2, 5, 11, 467

Why are those the prime factors of the number 1,130,140?

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 1,130,140

1,130,140
Factor Arrows
2565,070
Factor Arrows
2282,535
Factor Arrows
556,507
Factor Arrows
115,137
Factor Arrows
11467

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, 11, 467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 11 x 467 = 1,130,140

This can also be written as 22 x 51 x 112 x 4671 = 1,130,140

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


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