Q: What are the prime factors of the number 102,216,300?

 A: 2, 3, 5, 29, 31, 379

Why are those the prime factors of the number 102,216,300?

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 102,216,300

102,216,300
Factor Arrows
251,108,150
Factor Arrows
225,554,075
Factor Arrows
38,518,025
Factor Arrows
51,703,605
Factor Arrows
5340,721
Factor Arrows
2911,749
Factor Arrows
31379

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, 5, 29, 31, 379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 29 x 31 x 379 = 102,216,300

This can also be written as 22 x 31 x 52 x 291 x 311 x 3791 = 102,216,300

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


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