Q: What are the prime factors of the number 262,128?

 A: 2, 3, 43, 127

Why are those the prime factors of the number 262,128?

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 262,128

262,128
Factor Arrows
2131,064
Factor Arrows
265,532
Factor Arrows
232,766
Factor Arrows
216,383
Factor Arrows
35,461
Factor Arrows
43127

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, 43, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 43 x 127 = 262,128

This can also be written as 24 x 31 x 431 x 1271 = 262,128

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


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