Q: What are the prime factors of the number 43,524,144?

 A: 2, 3, 409, 739

Why are those the prime factors of the number 43,524,144?

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 43,524,144

43,524,144
Factor Arrows
221,762,072
Factor Arrows
210,881,036
Factor Arrows
25,440,518
Factor Arrows
22,720,259
Factor Arrows
3906,753
Factor Arrows
3302,251
Factor Arrows
409739

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, 409, 739

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 409 x 739 = 43,524,144

This can also be written as 24 x 32 x 4091 x 7391 = 43,524,144

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


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