Q: What are the prime factors of the number 526,200,440?

 A: 2, 5, 19, 23, 30103

Why are those the prime factors of the number 526,200,440?

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 526,200,440

526,200,440
Factor Arrows
2263,100,220
Factor Arrows
2131,550,110
Factor Arrows
265,775,055
Factor Arrows
513,155,011
Factor Arrows
19692,369
Factor Arrows
2330,103

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, 5, 19, 23, 30103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 23 x 30,103 = 526,200,440

This can also be written as 23 x 51 x 191 x 231 x 30,1031 = 526,200,440

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


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