Q: What are the prime factors of the number 471,601,128?

 A: 2, 3, 19, 137, 7549

Why are those the prime factors of the number 471,601,128?

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 471,601,128

471,601,128
Factor Arrows
2235,800,564
Factor Arrows
2117,900,282
Factor Arrows
258,950,141
Factor Arrows
319,650,047
Factor Arrows
191,034,213
Factor Arrows
1377,549

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, 19, 137, 7549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 137 x 7,549 = 471,601,128

This can also be written as 23 x 31 x 191 x 1371 x 7,5491 = 471,601,128

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


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