Q: What are the prime factors of the number 25,070,120?

 A: 2, 5, 19, 32987

Why are those the prime factors of the number 25,070,120?

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 25,070,120

25,070,120
Factor Arrows
212,535,060
Factor Arrows
26,267,530
Factor Arrows
23,133,765
Factor Arrows
5626,753
Factor Arrows
1932,987

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, 19, 32987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 32,987 = 25,070,120

This can also be written as 23 x 51 x 191 x 32,9871 = 25,070,120

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


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