Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 1237, 1243 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1237 and 1243 is 1.
GCF(1237,1243) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1237
1237 | 1237 |
1 |
Prime factors of 1237 are 1237. Prime factorization of 1237 in exponential form is:
1237 = 12371
Prime Factorization of 1243
11 | 1243 |
113 | 113 |
1 |
Prime factors of 1243 are 11.Prime factorization of 1243 in exponential form is:
1243 = 111×1131
∴ So by taking common prime factors GCF of 1237 and 1243 is 1
Factors of 1237
List of positive integer factors of 1237 that divides 1237 without a remainder.
1,1237
Factors of 1243
List of positive integer factors of 1243 that divides 1243 without a remainder.
1,11,113,1243
Greatest Common Factor
We found the factors and prime factorization of 1237 and 1243. The biggest common factor number is the GCF number.
So the greatest common factor 1237 and 1243 is 1.
Also check out the Least Common Multiple of 1237 and 1243
(i) The GCF of 1237 and 1243 is associative
GCF of 1237 and 1243 = GCF of 1243 and 1237
1. What is the GCF of 1237 and 1243?
Answer: GCF of 1237 and 1243 is 1.
2. What are the Factors of 1237?
Answer: Factors of 1237 are 1, 1237. There are 2 integers that are factors of 1237. The greatest factor of 1237 is 1237.
3. What are the Factors of 1243?
Answer: Factors of 1243 are 1, 11, 113, 1243. There are 4 integers that are factors of 1243. The greatest factor of 1243 is 1243.
4. How to Find the GCF of 1237 and 1243?
Answer:
Greatest Common Factor of 1237 and 1243 = 1
Step 1: Find the prime factorization of 1237
1237 = 1237
Step 2: Find the prime factorization of 1243
1243 = 11 x 113
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1237 and 1243 is 1