Q: What are the prime factors of the number 159,494,752?

 A: 2, 31, 160781

Why are those the prime factors of the number 159,494,752?

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 159,494,752

159,494,752
Factor Arrows
279,747,376
Factor Arrows
239,873,688
Factor Arrows
219,936,844
Factor Arrows
29,968,422
Factor Arrows
24,984,211
Factor Arrows
31160,781

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, 31, 160781

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 31 x 160,781 = 159,494,752

This can also be written as 25 x 311 x 160,7811 = 159,494,752

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


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