Q: What are the prime factors of the number 6,256,128?

 A: 2, 3, 4073

Why are those the prime factors of the number 6,256,128?

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 6,256,128

6,256,128
Factor Arrows
23,128,064
Factor Arrows
21,564,032
Factor Arrows
2782,016
Factor Arrows
2391,008
Factor Arrows
2195,504
Factor Arrows
297,752
Factor Arrows
248,876
Factor Arrows
224,438
Factor Arrows
212,219
Factor Arrows
34,073

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, 4073

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 4,073 = 6,256,128

This can also be written as 29 x 31 x 4,0731 = 6,256,128

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


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