Q: What are the prime factors of the number 423,455,202?

 A: 2, 3, 757, 1151

Why are those the prime factors of the number 423,455,202?

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 423,455,202

423,455,202
Factor Arrows
2211,727,601
Factor Arrows
370,575,867
Factor Arrows
323,525,289
Factor Arrows
37,841,763
Factor Arrows
32,613,921
Factor Arrows
3871,307
Factor Arrows
7571,151

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, 757, 1151

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 757 x 1,151 = 423,455,202

This can also be written as 21 x 35 x 7571 x 1,1511 = 423,455,202

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


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