Q: What are the prime factors of the number 75,072,478?

 A: 2, 13, 947, 3049

Why are those the prime factors of the number 75,072,478?

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 75,072,478

75,072,478
Factor Arrows
237,536,239
Factor Arrows
132,887,403
Factor Arrows
9473,049

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, 13, 947, 3049

We can check our work by multiplying all of the prime factors together: 2 x 13 x 947 x 3,049 = 75,072,478

This can also be written as 21 x 131 x 9471 x 3,0491 = 75,072,478

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


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