Q: What are the prime factors of the number 553,815,208?

 A: 2, 41, 541, 3121

Why are those the prime factors of the number 553,815,208?

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 553,815,208

553,815,208
Factor Arrows
2276,907,604
Factor Arrows
2138,453,802
Factor Arrows
269,226,901
Factor Arrows
411,688,461
Factor Arrows
5413,121

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, 41, 541, 3121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 41 x 541 x 3,121 = 553,815,208

This can also be written as 23 x 411 x 5411 x 3,1211 = 553,815,208

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


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