Q: What are the prime factors of the number 612,912?

 A: 2, 3, 113

Why are those the prime factors of the number 612,912?

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 612,912

612,912
Factor Arrows
2306,456
Factor Arrows
2153,228
Factor Arrows
276,614
Factor Arrows
238,307
Factor Arrows
312,769
Factor Arrows
113113

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, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 113 x 113 = 612,912

This can also be written as 24 x 31 x 1132 = 612,912

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


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