Q: What are the prime factors of the number 51,044,040?

 A: 2, 3, 5, 151, 313

Why are those the prime factors of the number 51,044,040?

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 51,044,040

51,044,040
Factor Arrows
225,522,020
Factor Arrows
212,761,010
Factor Arrows
26,380,505
Factor Arrows
32,126,835
Factor Arrows
3708,945
Factor Arrows
3236,315
Factor Arrows
547,263
Factor Arrows
151313

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, 151, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 151 x 313 = 51,044,040

This can also be written as 23 x 33 x 51 x 1511 x 3131 = 51,044,040

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


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