Q: What are the prime factors of the number 227,709,800?

 A: 2, 5, 139, 8191

Why are those the prime factors of the number 227,709,800?

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 227,709,800

227,709,800
Factor Arrows
2113,854,900
Factor Arrows
256,927,450
Factor Arrows
228,463,725
Factor Arrows
55,692,745
Factor Arrows
51,138,549
Factor Arrows
1398,191

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, 139, 8191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 139 x 8,191 = 227,709,800

This can also be written as 23 x 52 x 1391 x 8,1911 = 227,709,800

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


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