Q: What are the prime factors of the number 620,355,560?

 A: 2, 5, 11, 1409899

Why are those the prime factors of the number 620,355,560?

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 620,355,560

620,355,560
Factor Arrows
2310,177,780
Factor Arrows
2155,088,890
Factor Arrows
277,544,445
Factor Arrows
515,508,889
Factor Arrows
111,409,899

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, 11, 1409899

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 1,409,899 = 620,355,560

This can also be written as 23 x 51 x 111 x 1,409,8991 = 620,355,560

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


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