Q: What are the prime factors of the number 73,724,946?

 A: 2, 3, 443, 27737

Why are those the prime factors of the number 73,724,946?

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 73,724,946

73,724,946
Factor Arrows
236,862,473
Factor Arrows
312,287,491
Factor Arrows
44327,737

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, 3, 443, 27737

We can check our work by multiplying all of the prime factors together: 2 x 3 x 443 x 27,737 = 73,724,946

This can also be written as 21 x 31 x 4431 x 27,7371 = 73,724,946

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


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