What is the GCF of 1243 and 980?
The GCF of 1243 and 980 is 1.
Steps to find GCF
- Find the prime factorization of 1243
1243 = 11 × 113 - Find the prime factorization of 980
980 = 2 × 2 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
MathStep (Works offline)
Download our mobile app and learn how to find GCF of upto four numbers in your own time:
Android and iPhone/ iPad
Related
Find HCF of: 2486 & 1960 3729 & 2940 6215 & 4900 8701 & 6860 2486 & 980 1243 & 1960 3729 & 980 1243 & 2940 6215 & 980 1243 & 4900 8701 & 980 1243 & 6860
GCF Calculator
Enter two numbers separate by comma. To find GCF of more than two numbers, click here.
The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).