Q: What are the prime factors of the number 44,204,420?

 A: 2, 5, 13, 17, 73, 137

Why are those the prime factors of the number 44,204,420?

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 44,204,420

44,204,420
Factor Arrows
222,102,210
Factor Arrows
211,051,105
Factor Arrows
52,210,221
Factor Arrows
13170,017
Factor Arrows
1710,001
Factor Arrows
73137

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, 13, 17, 73, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 13 x 17 x 73 x 137 = 44,204,420

This can also be written as 22 x 51 x 131 x 171 x 731 x 1371 = 44,204,420

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


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