Q: What are the prime factors of the number 256,441,104?

 A: 2, 3, 401, 4441

Why are those the prime factors of the number 256,441,104?

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 256,441,104

256,441,104
Factor Arrows
2128,220,552
Factor Arrows
264,110,276
Factor Arrows
232,055,138
Factor Arrows
216,027,569
Factor Arrows
35,342,523
Factor Arrows
31,780,841
Factor Arrows
4014,441

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, 401, 4441

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 401 x 4,441 = 256,441,104

This can also be written as 24 x 32 x 4011 x 4,4411 = 256,441,104

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


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