Q: What are the prime factors of the number 314,534,208?

 A: 2, 3, 19, 151, 571

Why are those the prime factors of the number 314,534,208?

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 314,534,208

314,534,208
Factor Arrows
2157,267,104
Factor Arrows
278,633,552
Factor Arrows
239,316,776
Factor Arrows
219,658,388
Factor Arrows
29,829,194
Factor Arrows
24,914,597
Factor Arrows
31,638,199
Factor Arrows
1986,221
Factor Arrows
151571

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, 19, 151, 571

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 19 x 151 x 571 = 314,534,208

This can also be written as 26 x 31 x 191 x 1511 x 5711 = 314,534,208

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


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