Q: What are the prime factors of the number 305,104,704?

 A: 2, 3, 163, 9749

Why are those the prime factors of the number 305,104,704?

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 305,104,704

305,104,704
Factor Arrows
2152,552,352
Factor Arrows
276,276,176
Factor Arrows
238,138,088
Factor Arrows
219,069,044
Factor Arrows
29,534,522
Factor Arrows
24,767,261
Factor Arrows
31,589,087
Factor Arrows
1639,749

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, 163, 9749

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 163 x 9,749 = 305,104,704

This can also be written as 26 x 31 x 1631 x 9,7491 = 305,104,704

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


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