As your math tutor, I’m here to help you break down factor pairs of 2001 step by step!
Factor pairs of 2001 are any two numbers that, when multiplied together, equal 2001. The question to ask is “what two numbers multiplied together equal 2001?” Every factor can be paired with another factor, and multiplying the two will result in 2001.
To find the factor pairs of 2001, follow these steps:
Step 1:
Find the smallest prime number that is larger than 1, and is a factor of 2001. For reference, the first prime numbers to check are 2, 3, 5, 7, 11, and 13. In this case, the smallest factor that’s a prime number larger than 1 is 3.
Step 2:
Divide 2001 by the smallest prime factor, in this case, 3:
2001 ÷ 3 = 667
3 and 667 will make a new factor pair.
Step 3:
Repeat Steps 1 and 2, using 667 as the new focus. Find the smallest prime factor that isn’t 1, and divide 667 by that number. In this case, 23 is the new smallest prime factor:
667 ÷ 23 = 29
Remember that this new factor pair is only for the factors of 667, not 2001. So, to finish the factor pair for 2001, you’d multiply 3 and 23 before pairing with 29:
3 x 23 = 69
Step 4:
Repeat this process until there are no longer any prime factors larger than one to divide by. At the end, you should have the full list of factor pairs.
Here are all the factor pairs for 2001:
(1, 2001), (3, 667), (23, 87), (29, 69)
So, to list all the factors of 2001: 1, 3, 23, 29, 69, 87, 667, 2001
The negative factors of 2001 would be: -1, -3, -23, -29, -69, -87, -667, -2001
Now you’ve got it! A math tutor would always encourage you to practice with different numbers to reinforce your understanding of factor pairs. Try another one!