Q: What are the prime factors of the number 130,309,998?

 A: 2, 3, 7, 13, 17, 101, 139

Why are those the prime factors of the number 130,309,998?

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 130,309,998

130,309,998
Factor Arrows
265,154,999
Factor Arrows
321,718,333
Factor Arrows
73,102,619
Factor Arrows
13238,663
Factor Arrows
1714,039
Factor Arrows
101139

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, 7, 13, 17, 101, 139

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 13 x 17 x 101 x 139 = 130,309,998

This can also be written as 21 x 31 x 71 x 131 x 171 x 1011 x 1391 = 130,309,998

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


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