Q: What are the prime factors of the number 614,615,526?

 A: 2, 3, 7, 1229

Why are those the prime factors of the number 614,615,526?

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 614,615,526

614,615,526
Factor Arrows
2307,307,763
Factor Arrows
3102,435,921
Factor Arrows
334,145,307
Factor Arrows
311,381,769
Factor Arrows
33,793,923
Factor Arrows
31,264,641
Factor Arrows
3421,547
Factor Arrows
760,221
Factor Arrows
78,603
Factor Arrows
71,229

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, 1229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 7 x 7 x 1,229 = 614,615,526

This can also be written as 21 x 36 x 73 x 1,2291 = 614,615,526

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


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