Q: What are the prime factors of the number 811,630,002?

 A: 2, 3, 37, 661, 5531

Why are those the prime factors of the number 811,630,002?

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 811,630,002

811,630,002
Factor Arrows
2405,815,001
Factor Arrows
3135,271,667
Factor Arrows
373,655,991
Factor Arrows
6615,531

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, 37, 661, 5531

We can check our work by multiplying all of the prime factors together: 2 x 3 x 37 x 661 x 5,531 = 811,630,002

This can also be written as 21 x 31 x 371 x 6611 x 5,5311 = 811,630,002

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


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