Q: What are the prime factors of the number 158,506,160?

 A: 2, 5, 127, 15601

Why are those the prime factors of the number 158,506,160?

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 158,506,160

158,506,160
Factor Arrows
279,253,080
Factor Arrows
239,626,540
Factor Arrows
219,813,270
Factor Arrows
29,906,635
Factor Arrows
51,981,327
Factor Arrows
12715,601

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, 127, 15601

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 127 x 15,601 = 158,506,160

This can also be written as 24 x 51 x 1271 x 15,6011 = 158,506,160

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


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