Q: What are the prime factors of the number 626,284,134?

 A: 2, 3, 7, 31, 109, 1471

Why are those the prime factors of the number 626,284,134?

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 626,284,134

626,284,134
Factor Arrows
2313,142,067
Factor Arrows
3104,380,689
Factor Arrows
334,793,563
Factor Arrows
74,970,509
Factor Arrows
31160,339
Factor Arrows
1091,471

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, 31, 109, 1471

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 31 x 109 x 1,471 = 626,284,134

This can also be written as 21 x 32 x 71 x 311 x 1091 x 1,4711 = 626,284,134

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


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