Q: What are the prime factors of the number 770,023,000?

 A: 2, 5, 173, 4451

Why are those the prime factors of the number 770,023,000?

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 770,023,000

770,023,000
Factor Arrows
2385,011,500
Factor Arrows
2192,505,750
Factor Arrows
296,252,875
Factor Arrows
519,250,575
Factor Arrows
53,850,115
Factor Arrows
5770,023
Factor Arrows
1734,451

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, 173, 4451

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 5 x 173 x 4,451 = 770,023,000

This can also be written as 23 x 53 x 1731 x 4,4511 = 770,023,000

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


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