Q: What are the prime factors of the number 25,243,104?

 A: 2, 3, 262949

Why are those the prime factors of the number 25,243,104?

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 25,243,104

25,243,104
Factor Arrows
212,621,552
Factor Arrows
26,310,776
Factor Arrows
23,155,388
Factor Arrows
21,577,694
Factor Arrows
2788,847
Factor Arrows
3262,949

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, 262949

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 262,949 = 25,243,104

This can also be written as 25 x 31 x 262,9491 = 25,243,104

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


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