Q: What are the prime factors of the number 51,443,340?

 A: 2, 3, 5, 13, 101, 653

Why are those the prime factors of the number 51,443,340?

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 51,443,340

51,443,340
Factor Arrows
225,721,670
Factor Arrows
212,860,835
Factor Arrows
34,286,945
Factor Arrows
5857,389
Factor Arrows
1365,953
Factor Arrows
101653

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, 13, 101, 653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 101 x 653 = 51,443,340

This can also be written as 22 x 31 x 51 x 131 x 1011 x 6531 = 51,443,340

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


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