Q: What are the prime factors of the number 61,312,346?

 A: 2, 47, 379, 1721

Why are those the prime factors of the number 61,312,346?

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 61,312,346

61,312,346
Factor Arrows
230,656,173
Factor Arrows
47652,259
Factor Arrows
3791,721

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, 47, 379, 1721

We can check our work by multiplying all of the prime factors together: 2 x 47 x 379 x 1,721 = 61,312,346

This can also be written as 21 x 471 x 3791 x 1,7211 = 61,312,346

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


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