0
Still curious? Ask our experts.
Chat with our AI personalities
Devin
Ezra
TaigaAdd your answer:
Earn +20 pts
What is the greatest common factor of 12 and 21?
If you want the "greatest", then there can only be one of it.You can't have two different numbers and say that they'reboth the "greatest".The greatest common factor of 12 and 21 is 3 .
What are all the factors of 21 from least to greatest?
1, 3, 7, 21
Lowest common multiple of 18 and 21?
The Least Common Multiple of 18 and 21 is 126.
What is the mean of 21 19 12 18 and 20?
Mean (12, 18, 19, 20, 21) = 18
What is the greatest common factor for 21 and 36?
The factors of 21 are 1, 3, 7, and 21. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors they have in common are 1 and 3, the largest of which is 3, so 3 is the greatest common factor. Or, you can calculate the greatest common factor by looking at the prime factors. The prime factors of 21 are 3 and 7. The prime factors of 36 are 2, 2, 3, and 3. The prime factors they have in common are a single 3, so 3 is the greatest common factor.
