Q: What are the prime factors of the number 340,140,141?

 A: 3, 11, 41, 9311

Why are those the prime factors of the number 340,140,141?

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 340,140,141

340,140,141
Factor Arrows
3113,380,047
Factor Arrows
337,793,349
Factor Arrows
312,597,783
Factor Arrows
34,199,261
Factor Arrows
11381,751
Factor Arrows
419,311

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:

3, 11, 41, 9311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 41 x 9,311 = 340,140,141

This can also be written as 34 x 111 x 411 x 9,3111 = 340,140,141

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


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