Q: What are the prime factors of the number 25,041,420?

 A: 2, 3, 5, 79, 587

Why are those the prime factors of the number 25,041,420?

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 25,041,420

25,041,420
Factor Arrows
212,520,710
Factor Arrows
26,260,355
Factor Arrows
32,086,785
Factor Arrows
3695,595
Factor Arrows
3231,865
Factor Arrows
546,373
Factor Arrows
79587

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, 79, 587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 79 x 587 = 25,041,420

This can also be written as 22 x 33 x 51 x 791 x 5871 = 25,041,420

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


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