Q: What are the prime factors of the number 188,214,450?

 A: 2, 3, 5, 853, 1471

Why are those the prime factors of the number 188,214,450?

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 188,214,450

188,214,450
Factor Arrows
294,107,225
Factor Arrows
331,369,075
Factor Arrows
56,273,815
Factor Arrows
51,254,763
Factor Arrows
8531,471

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, 853, 1471

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 853 x 1,471 = 188,214,450

This can also be written as 21 x 31 x 52 x 8531 x 1,4711 = 188,214,450

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


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