Q: What are the prime factors of the number 611,323,746?

 A: 2, 3, 11, 19, 103, 4733

Why are those the prime factors of the number 611,323,746?

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 611,323,746

611,323,746
Factor Arrows
2305,661,873
Factor Arrows
3101,887,291
Factor Arrows
119,262,481
Factor Arrows
19487,499
Factor Arrows
1034,733

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, 19, 103, 4733

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 19 x 103 x 4,733 = 611,323,746

This can also be written as 21 x 31 x 111 x 191 x 1031 x 4,7331 = 611,323,746

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


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