Q: What are the prime factors of the number 620,450,164?

 A: 2, 103, 271, 5557

Why are those the prime factors of the number 620,450,164?

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 620,450,164

620,450,164
Factor Arrows
2310,225,082
Factor Arrows
2155,112,541
Factor Arrows
1031,505,947
Factor Arrows
2715,557

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, 103, 271, 5557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 103 x 271 x 5,557 = 620,450,164

This can also be written as 22 x 1031 x 2711 x 5,5571 = 620,450,164

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


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