Q: What are the prime factors of the number 276,651,420?

 A: 2, 3, 5, 1553, 2969

Why are those the prime factors of the number 276,651,420?

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 276,651,420

276,651,420
Factor Arrows
2138,325,710
Factor Arrows
269,162,855
Factor Arrows
323,054,285
Factor Arrows
54,610,857
Factor Arrows
1,5532,969

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, 1553, 2969

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 1,553 x 2,969 = 276,651,420

This can also be written as 22 x 31 x 51 x 1,5531 x 2,9691 = 276,651,420

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


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