Q: What are the prime factors of the number 611,226?

 A: 2, 3, 7, 11

Why are those the prime factors of the number 611,226?

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 611,226

611,226
Factor Arrows
2305,613
Factor Arrows
3101,871
Factor Arrows
333,957
Factor Arrows
311,319
Factor Arrows
33,773
Factor Arrows
7539
Factor Arrows
777
Factor Arrows
711

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, 11

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 7 x 7 x 11 = 611,226

This can also be written as 21 x 34 x 73 x 111 = 611,226

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


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