Q: What are the prime factors of the number 305,046,500?

 A: 2, 5, 11, 37, 1499

Why are those the prime factors of the number 305,046,500?

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 305,046,500

305,046,500
Factor Arrows
2152,523,250
Factor Arrows
276,261,625
Factor Arrows
515,252,325
Factor Arrows
53,050,465
Factor Arrows
5610,093
Factor Arrows
1155,463
Factor Arrows
371,499

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, 37, 1499

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 11 x 37 x 1,499 = 305,046,500

This can also be written as 22 x 53 x 111 x 371 x 1,4991 = 305,046,500

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


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