Q: What are the prime factors of the number 75,240,711?

 A: 3, 7, 13, 113, 271

Why are those the prime factors of the number 75,240,711?

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 75,240,711

75,240,711
Factor Arrows
325,080,237
Factor Arrows
38,360,079
Factor Arrows
32,786,693
Factor Arrows
7398,099
Factor Arrows
1330,623
Factor Arrows
113271

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:

3, 7, 13, 113, 271

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 13 x 113 x 271 = 75,240,711

This can also be written as 33 x 71 x 131 x 1131 x 2711 = 75,240,711

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


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