Q: What are the prime factors of the number 130,514,544?

 A: 2, 3, 397, 761

Why are those the prime factors of the number 130,514,544?

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 130,514,544

130,514,544
Factor Arrows
265,257,272
Factor Arrows
232,628,636
Factor Arrows
216,314,318
Factor Arrows
28,157,159
Factor Arrows
32,719,053
Factor Arrows
3906,351
Factor Arrows
3302,117
Factor Arrows
397761

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, 397, 761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 397 x 761 = 130,514,544

This can also be written as 24 x 33 x 3971 x 7611 = 130,514,544

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


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