Q: What are the prime factors of the number 126,943,341?

 A: 3, 7, 647, 9343

Why are those the prime factors of the number 126,943,341?

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 126,943,341

126,943,341
Factor Arrows
342,314,447
Factor Arrows
76,044,921
Factor Arrows
6479,343

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, 647, 9343

We can check our work by multiplying all of the prime factors together: 3 x 7 x 647 x 9,343 = 126,943,341

This can also be written as 31 x 71 x 6471 x 9,3431 = 126,943,341

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


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