Q: What are the prime factors of the number 131,732,622?

 A: 2, 3, 7, 107, 3257

Why are those the prime factors of the number 131,732,622?

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 131,732,622

131,732,622
Factor Arrows
265,866,311
Factor Arrows
321,955,437
Factor Arrows
37,318,479
Factor Arrows
32,439,493
Factor Arrows
7348,499
Factor Arrows
1073,257

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, 107, 3257

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 107 x 3,257 = 131,732,622

This can also be written as 21 x 33 x 71 x 1071 x 3,2571 = 131,732,622

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


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