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 1247, 1254 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1247 and 1254 is 1.
GCF(1247,1254) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1247
29 | 1247 |
43 | 43 |
1 |
Prime factors of 1247 are 29,43. Prime factorization of 1247 in exponential form is:
1247 = 291×431
Prime Factorization of 1254
2 | 1254 |
3 | 627 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 1254 are 2,3,11,19. Prime factorization of 1254 in exponential form is:
1254 = 21×31×111×191
∴ So by taking common prime factors GCF of 1247 and 1254 is 1
Factors of 1247
List of positive integer factors of 1247 that divides 1247 without a remainder.
1,29,43,1247
Factors of 1254
List of positive integer factors of 1254 that divides 1254 without a remainder.
1,2,3,6,11,19,22,33,38,57,66,114,209,418,627,1254
Greatest Common Factor
We found the factors and prime factorization of 1247 and 1254. The biggest common factor number is the GCF number.
So the greatest common factor 1247 and 1254 is 1.
Also check out the Least Common Multiple of 1247 and 1254
(i) The GCF of 1247 and 1254 is associative
GCF of 1247 and 1254 = GCF of 1254 and 1247
1. What is the GCF of 1247 and 1254?
Answer: GCF of 1247 and 1254 is 1.
2. What are the Factors of 1247?
Answer: Factors of 1247 are 1, 29, 43, 1247. There are 4 integers that are factors of 1247. The greatest factor of 1247 is 1247.
3. What are the Factors of 1254?
Answer: Factors of 1254 are 1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254. There are 16 integers that are factors of 1254. The greatest factor of 1254 is 1254.
4. How to Find the GCF of 1247 and 1254?
Answer:
Greatest Common Factor of 1247 and 1254 = 1
Step 1: Find the prime factorization of 1247
1247 = 29 x 43
Step 2: Find the prime factorization of 1254
1254 = 2 x 3 x 11 x 19
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 1247 and 1254 is 1