Q: What are the prime factors of the number 343,677,456?

 A: 2, 3, 421, 5669

Why are those the prime factors of the number 343,677,456?

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 343,677,456

343,677,456
Factor Arrows
2171,838,728
Factor Arrows
285,919,364
Factor Arrows
242,959,682
Factor Arrows
221,479,841
Factor Arrows
37,159,947
Factor Arrows
32,386,649
Factor Arrows
4215,669

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, 421, 5669

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 421 x 5,669 = 343,677,456

This can also be written as 24 x 32 x 4211 x 5,6691 = 343,677,456

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


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