Q: What are the prime factors of the number 51,042,024?

 A: 2, 3, 11, 17, 223

Why are those the prime factors of the number 51,042,024?

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 51,042,024

51,042,024
Factor Arrows
225,521,012
Factor Arrows
212,760,506
Factor Arrows
26,380,253
Factor Arrows
32,126,751
Factor Arrows
3708,917
Factor Arrows
1164,447
Factor Arrows
173,791
Factor Arrows
17223

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, 11, 17, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 17 x 17 x 223 = 51,042,024

This can also be written as 23 x 32 x 111 x 172 x 2231 = 51,042,024

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


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