Q: What are the prime factors of the number 164,353,566?

 A: 2, 3, 13, 157, 13421

Why are those the prime factors of the number 164,353,566?

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 164,353,566

164,353,566
Factor Arrows
282,176,783
Factor Arrows
327,392,261
Factor Arrows
132,107,097
Factor Arrows
15713,421

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, 13, 157, 13421

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 157 x 13,421 = 164,353,566

This can also be written as 21 x 31 x 131 x 1571 x 13,4211 = 164,353,566

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


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