Q: What are the prime factors of the number 51,754,320?

 A: 2, 3, 5, 71881

Why are those the prime factors of the number 51,754,320?

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 51,754,320

51,754,320
Factor Arrows
225,877,160
Factor Arrows
212,938,580
Factor Arrows
26,469,290
Factor Arrows
23,234,645
Factor Arrows
31,078,215
Factor Arrows
3359,405
Factor Arrows
571,881

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, 5, 71881

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 5 x 71,881 = 51,754,320

This can also be written as 24 x 32 x 51 x 71,8811 = 51,754,320

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


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