Q: What are the prime factors of the number 612,744?

 A: 2, 3, 11, 211

Why are those the prime factors of the number 612,744?

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 612,744

612,744
Factor Arrows
2306,372
Factor Arrows
2153,186
Factor Arrows
276,593
Factor Arrows
325,531
Factor Arrows
112,321
Factor Arrows
11211

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, 11, 211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 11 x 211 = 612,744

This can also be written as 23 x 31 x 112 x 2111 = 612,744

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


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