Q: What are the prime factors of the number 305,510,544?

 A: 2, 3, 2121601

Why are those the prime factors of the number 305,510,544?

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 305,510,544

305,510,544
Factor Arrows
2152,755,272
Factor Arrows
276,377,636
Factor Arrows
238,188,818
Factor Arrows
219,094,409
Factor Arrows
36,364,803
Factor Arrows
32,121,601

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, 2121601

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 2,121,601 = 305,510,544

This can also be written as 24 x 32 x 2,121,6011 = 305,510,544

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


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