Q: What are the prime factors of the number 43,420,230?

 A: 2, 3, 5, 7, 41

Why are those the prime factors of the number 43,420,230?

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 43,420,230

43,420,230
Factor Arrows
221,710,115
Factor Arrows
37,236,705
Factor Arrows
32,412,235
Factor Arrows
5482,447
Factor Arrows
768,921
Factor Arrows
411,681
Factor Arrows
4141

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, 7, 41

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 41 x 41 x 41 = 43,420,230

This can also be written as 21 x 32 x 51 x 71 x 413 = 43,420,230

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


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