Q: What are the prime factors of the number 276,622,450?

 A: 2, 5, 13, 79, 5387

Why are those the prime factors of the number 276,622,450?

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 276,622,450

276,622,450
Factor Arrows
2138,311,225
Factor Arrows
527,662,245
Factor Arrows
55,532,449
Factor Arrows
13425,573
Factor Arrows
795,387

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, 13, 79, 5387

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 13 x 79 x 5,387 = 276,622,450

This can also be written as 21 x 52 x 131 x 791 x 5,3871 = 276,622,450

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


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