Q: What are the prime factors of the number 16,549,250?

 A: 2, 5, 53, 1249

Why are those the prime factors of the number 16,549,250?

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 16,549,250

16,549,250
Factor Arrows
28,274,625
Factor Arrows
51,654,925
Factor Arrows
5330,985
Factor Arrows
566,197
Factor Arrows
531,249

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, 53, 1249

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 53 x 1,249 = 16,549,250

This can also be written as 21 x 53 x 531 x 1,2491 = 16,549,250

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


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