Q: What are the prime factors of the number 45,401,202?

 A: 2, 3, 7, 11, 61, 179

Why are those the prime factors of the number 45,401,202?

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 45,401,202

45,401,202
Factor Arrows
222,700,601
Factor Arrows
37,566,867
Factor Arrows
32,522,289
Factor Arrows
3840,763
Factor Arrows
7120,109
Factor Arrows
1110,919
Factor Arrows
61179

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, 7, 11, 61, 179

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 11 x 61 x 179 = 45,401,202

This can also be written as 21 x 33 x 71 x 111 x 611 x 1791 = 45,401,202

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


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