Q: What are the prime factors of the number 25,661,070?

 A: 2, 3, 5, 101, 941

Why are those the prime factors of the number 25,661,070?

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 25,661,070

25,661,070
Factor Arrows
212,830,535
Factor Arrows
34,276,845
Factor Arrows
31,425,615
Factor Arrows
3475,205
Factor Arrows
595,041
Factor Arrows
101941

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, 5, 101, 941

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 101 x 941 = 25,661,070

This can also be written as 21 x 33 x 51 x 1011 x 9411 = 25,661,070

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


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