Q: What are the prime factors of the number 190,009,348?

 A: 2, 19, 23, 71, 1531

Why are those the prime factors of the number 190,009,348?

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 190,009,348

190,009,348
Factor Arrows
295,004,674
Factor Arrows
247,502,337
Factor Arrows
192,500,123
Factor Arrows
23108,701
Factor Arrows
711,531

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, 19, 23, 71, 1531

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 23 x 71 x 1,531 = 190,009,348

This can also be written as 22 x 191 x 231 x 711 x 1,5311 = 190,009,348

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


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