Q: What are the prime factors of the number 130,761,306?

 A: 2, 3, 13, 19, 29411

Why are those the prime factors of the number 130,761,306?

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 130,761,306

130,761,306
Factor Arrows
265,380,653
Factor Arrows
321,793,551
Factor Arrows
37,264,517
Factor Arrows
13558,809
Factor Arrows
1929,411

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, 19, 29411

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 19 x 29,411 = 130,761,306

This can also be written as 21 x 32 x 131 x 191 x 29,4111 = 130,761,306

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


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