Q: What are the prime factors of the number 847,018,080?

 A: 2, 3, 5, 29, 6761

Why are those the prime factors of the number 847,018,080?

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 847,018,080

847,018,080
Factor Arrows
2423,509,040
Factor Arrows
2211,754,520
Factor Arrows
2105,877,260
Factor Arrows
252,938,630
Factor Arrows
226,469,315
Factor Arrows
38,823,105
Factor Arrows
32,941,035
Factor Arrows
3980,345
Factor Arrows
5196,069
Factor Arrows
296,761

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, 5, 29, 6761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 29 x 6,761 = 847,018,080

This can also be written as 25 x 33 x 51 x 291 x 6,7611 = 847,018,080

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


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