Q: What are the prime factors of the number 307,537,450?

 A: 2, 5, 11, 47, 11897

Why are those the prime factors of the number 307,537,450?

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 307,537,450

307,537,450
Factor Arrows
2153,768,725
Factor Arrows
530,753,745
Factor Arrows
56,150,749
Factor Arrows
11559,159
Factor Arrows
4711,897

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, 11, 47, 11897

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 47 x 11,897 = 307,537,450

This can also be written as 21 x 52 x 111 x 471 x 11,8971 = 307,537,450

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


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