Q: What are the prime factors of the number 343,463,424?

 A: 2, 3, 311, 719

Why are those the prime factors of the number 343,463,424?

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 343,463,424

343,463,424
Factor Arrows
2171,731,712
Factor Arrows
285,865,856
Factor Arrows
242,932,928
Factor Arrows
221,466,464
Factor Arrows
210,733,232
Factor Arrows
25,366,616
Factor Arrows
22,683,308
Factor Arrows
21,341,654
Factor Arrows
2670,827
Factor Arrows
3223,609
Factor Arrows
311719

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, 311, 719

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 2 x 2 x 2 x 3 x 311 x 719 = 343,463,424

This can also be written as 29 x 31 x 3111 x 7191 = 343,463,424

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


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