Q: What are the prime factors of the number 130,822,208?

 A: 2, 11, 17, 643

Why are those the prime factors of the number 130,822,208?

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 130,822,208

130,822,208
Factor Arrows
265,411,104
Factor Arrows
232,705,552
Factor Arrows
216,352,776
Factor Arrows
28,176,388
Factor Arrows
24,088,194
Factor Arrows
22,044,097
Factor Arrows
11185,827
Factor Arrows
1710,931
Factor Arrows
17643

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, 11, 17, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 17 x 17 x 643 = 130,822,208

This can also be written as 26 x 111 x 172 x 6431 = 130,822,208

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


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