Q: What are the prime factors of the number 774,228?

 A: 2, 3, 7, 13, 709

Why are those the prime factors of the number 774,228?

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 774,228

774,228
Factor Arrows
2387,114
Factor Arrows
2193,557
Factor Arrows
364,519
Factor Arrows
79,217
Factor Arrows
13709

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, 7, 13, 709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 709 = 774,228

This can also be written as 22 x 31 x 71 x 131 x 7091 = 774,228

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


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