Q: What are the prime factors of the number 130,025,280?

 A: 2, 3, 5, 7, 11, 1759

Why are those the prime factors of the number 130,025,280?

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 130,025,280

130,025,280
Factor Arrows
265,012,640
Factor Arrows
232,506,320
Factor Arrows
216,253,160
Factor Arrows
28,126,580
Factor Arrows
24,063,290
Factor Arrows
22,031,645
Factor Arrows
3677,215
Factor Arrows
5135,443
Factor Arrows
719,349
Factor Arrows
111,759

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, 7, 11, 1759

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 3 x 5 x 7 x 11 x 1,759 = 130,025,280

This can also be written as 26 x 31 x 51 x 71 x 111 x 1,7591 = 130,025,280

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


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