Q: What are the prime factors of the number 343,012,032?

 A: 2, 3, 11, 43, 1259

Why are those the prime factors of the number 343,012,032?

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 343,012,032

343,012,032
Factor Arrows
2171,506,016
Factor Arrows
285,753,008
Factor Arrows
242,876,504
Factor Arrows
221,438,252
Factor Arrows
210,719,126
Factor Arrows
25,359,563
Factor Arrows
31,786,521
Factor Arrows
3595,507
Factor Arrows
1154,137
Factor Arrows
431,259

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, 43, 1259

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 11 x 43 x 1,259 = 343,012,032

This can also be written as 26 x 32 x 111 x 431 x 1,2591 = 343,012,032

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


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