Q: What are the prime factors of the number 25,017,756?

 A: 2, 3, 19, 179, 613

Why are those the prime factors of the number 25,017,756?

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 25,017,756

25,017,756
Factor Arrows
212,508,878
Factor Arrows
26,254,439
Factor Arrows
32,084,813
Factor Arrows
19109,727
Factor Arrows
179613

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, 19, 179, 613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 19 x 179 x 613 = 25,017,756

This can also be written as 22 x 31 x 191 x 1791 x 6131 = 25,017,756

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


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