Q: What are the prime factors of the number 371,135,436?

 A: 2, 3, 7, 19, 12239

Why are those the prime factors of the number 371,135,436?

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 371,135,436

371,135,436
Factor Arrows
2185,567,718
Factor Arrows
292,783,859
Factor Arrows
330,927,953
Factor Arrows
74,418,279
Factor Arrows
19232,541
Factor Arrows
1912,239

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, 7, 19, 12239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 19 x 19 x 12,239 = 371,135,436

This can also be written as 22 x 31 x 71 x 192 x 12,2391 = 371,135,436

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


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