Q: What are the prime factors of the number 343,021,168?

 A: 2, 7, 437527

Why are those the prime factors of the number 343,021,168?

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 343,021,168

343,021,168
Factor Arrows
2171,510,584
Factor Arrows
285,755,292
Factor Arrows
242,877,646
Factor Arrows
221,438,823
Factor Arrows
73,062,689
Factor Arrows
7437,527

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, 7, 437527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 437,527 = 343,021,168

This can also be written as 24 x 72 x 437,5271 = 343,021,168

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


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