Q: What are the prime factors of the number 432,236,168?

 A: 2, 7, 13, 19, 31249

Why are those the prime factors of the number 432,236,168?

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 432,236,168

432,236,168
Factor Arrows
2216,118,084
Factor Arrows
2108,059,042
Factor Arrows
254,029,521
Factor Arrows
77,718,503
Factor Arrows
13593,731
Factor Arrows
1931,249

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, 7, 13, 19, 31249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 19 x 31,249 = 432,236,168

This can also be written as 23 x 71 x 131 x 191 x 31,2491 = 432,236,168

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


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