Q: What are the prime factors of the number 130,442,208?

 A: 2, 3, 13, 127, 823

Why are those the prime factors of the number 130,442,208?

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 130,442,208

130,442,208
Factor Arrows
265,221,104
Factor Arrows
232,610,552
Factor Arrows
216,305,276
Factor Arrows
28,152,638
Factor Arrows
24,076,319
Factor Arrows
31,358,773
Factor Arrows
13104,521
Factor Arrows
127823

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, 13, 127, 823

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 13 x 127 x 823 = 130,442,208

This can also be written as 25 x 31 x 131 x 1271 x 8231 = 130,442,208

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


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