Q: What are the prime factors of the number 163,303,228?

 A: 2, 11, 1831, 2027

Why are those the prime factors of the number 163,303,228?

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 163,303,228

163,303,228
Factor Arrows
281,651,614
Factor Arrows
240,825,807
Factor Arrows
113,711,437
Factor Arrows
1,8312,027

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, 11, 1831, 2027

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 1,831 x 2,027 = 163,303,228

This can also be written as 22 x 111 x 1,8311 x 2,0271 = 163,303,228

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


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