Q: What are the prime factors of the number 80,207,712?

 A: 2, 3, 13, 37, 193

Why are those the prime factors of the number 80,207,712?

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 80,207,712

80,207,712
Factor Arrows
240,103,856
Factor Arrows
220,051,928
Factor Arrows
210,025,964
Factor Arrows
25,012,982
Factor Arrows
22,506,491
Factor Arrows
3835,497
Factor Arrows
3278,499
Factor Arrows
392,833
Factor Arrows
137,141
Factor Arrows
37193

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, 37, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 13 x 37 x 193 = 80,207,712

This can also be written as 25 x 33 x 131 x 371 x 1931 = 80,207,712

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


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