Q: What are the prime factors of the number 666,542,226?

 A: 2, 3, 7, 43, 369071

Why are those the prime factors of the number 666,542,226?

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 666,542,226

666,542,226
Factor Arrows
2333,271,113
Factor Arrows
3111,090,371
Factor Arrows
715,870,053
Factor Arrows
43369,071

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, 43, 369071

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 43 x 369,071 = 666,542,226

This can also be written as 21 x 31 x 71 x 431 x 369,0711 = 666,542,226

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


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