0
Still curious? Ask our experts.
Chat with our AI personalities
RossEvery question is just a happy little opportunity.
Chat with Ross
BlakeAs your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
LaoThe path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
Add your answer:
Earn +20 ptsQ: What are the common factors of 21 and 51?
Write your answer...
Submit
Still have questions?
Continue Learning about Basic Math
Greatest common factor of 51 and 21?
GCF of 21 and 51 is 3.21=3*751=3*17
What are the common factors of 51 and 68?
The common factors of 51 and 68 are: 1 and 17
What are the common factors of 51 and 85?
The common factors of 51 and 85 are: 1 and 17.
What is the greatest common factor of 21 and 51?
The GCF of 21 and 51 is 3. Both these numbers have only one prime factorization. 21=3*7 51=3*17 So the greatest common divisor is 3.
What is the greatest common factor of 21 and 306?
The greatest common factor (GCF) of 21 and 306 is 3. To find the GCF, you need to identify the factors of each number. The factors of 21 are 1, 3, 7, and 21, while the factors of 306 are 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, and 306. The largest number that both 21 and 306 share as a factor is 3, making it the greatest common factor.
Trending Questions
What is 6.012 in a mixed number?
How do you write 191000000?
Is a decatrillion a number?
What is 10 percent of 12 stone 7 pounds?
What is the difference between simple majority and two thirds majority?
What is the GCD of 68 and 187 showing work?
What is 30 percent off 316 pounds?
When 56 is added to a number the answer is the same as multiplying the number by 9 what is the number show work?
What are all the factors of 41?
What is the LCD of 5 10 20?
What is 5.275 rounded to 2 decimal point?
Is 0.2020020002.. a rational number?
What are the common factors of 495 and 165?
How much concrete is needed for 400 sq ft 4 inches thick?
What are the factor pairs of 104?
32 percent of what number is 44.8 percent?
How do you write 2-10 n decimal number?
How does reducing make a difference?
0.21 of what number is 7.98?
What number is 589.2560 closest to A 589.256 B 589.26 C 589 D 589.1?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.