Q: What are the prime factors of the number 162,909,414?

 A: 2, 3, 23, 29, 4523

Why are those the prime factors of the number 162,909,414?

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 162,909,414

162,909,414
Factor Arrows
281,454,707
Factor Arrows
327,151,569
Factor Arrows
39,050,523
Factor Arrows
33,016,841
Factor Arrows
23131,167
Factor Arrows
294,523

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, 23, 29, 4523

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 23 x 29 x 4,523 = 162,909,414

This can also be written as 21 x 33 x 231 x 291 x 4,5231 = 162,909,414

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


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