Q: What are the prime factors of the number 60,742,472?

 A: 2, 7, 29, 113, 331

Why are those the prime factors of the number 60,742,472?

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 60,742,472

60,742,472
Factor Arrows
230,371,236
Factor Arrows
215,185,618
Factor Arrows
27,592,809
Factor Arrows
71,084,687
Factor Arrows
2937,403
Factor Arrows
113331

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, 7, 29, 113, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 29 x 113 x 331 = 60,742,472

This can also be written as 23 x 71 x 291 x 1131 x 3311 = 60,742,472

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


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