Q: What are the prime factors of the number 276,406,000?

 A: 2, 5, 13, 10631

Why are those the prime factors of the number 276,406,000?

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 276,406,000

276,406,000
Factor Arrows
2138,203,000
Factor Arrows
269,101,500
Factor Arrows
234,550,750
Factor Arrows
217,275,375
Factor Arrows
53,455,075
Factor Arrows
5691,015
Factor Arrows
5138,203
Factor Arrows
1310,631

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, 10631

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 13 x 10,631 = 276,406,000

This can also be written as 24 x 53 x 131 x 10,6311 = 276,406,000

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


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