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 1142, 1147 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1142 and 1147 is 1.
GCF(1142,1147) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1142
2 | 1142 |
571 | 571 |
1 |
Prime factors of 1142 are 2,571. Prime factorization of 1142 in exponential form is:
1142 = 21×5711
Prime Factorization of 1147
31 | 1147 |
37 | 37 |
1 |
Prime factors of 1147 are 31,37. Prime factorization of 1147 in exponential form is:
1147 = 311×371
∴ So by taking common prime factors GCF of 1142 and 1147 is 1
Factors of 1142
List of positive integer factors of 1142 that divides 1142 without a remainder.
1,2,571,1142
Factors of 1147
List of positive integer factors of 1147 that divides 1147 without a remainder.
1,31,37,1147
Greatest Common Factor
We found the factors and prime factorization of 1142 and 1147. The biggest common factor number is the GCF number.
So the greatest common factor 1142 and 1147 is 1.
Also check out the Least Common Multiple of 1142 and 1147
(i) The GCF of 1142 and 1147 is associative
GCF of 1142 and 1147 = GCF of 1147 and 1142
1. What is the GCF of 1142 and 1147?
Answer: GCF of 1142 and 1147 is 1.
2. What are the Factors of 1142?
Answer: Factors of 1142 are 1, 2, 571, 1142. There are 4 integers that are factors of 1142. The greatest factor of 1142 is 1142.
3. What are the Factors of 1147?
Answer: Factors of 1147 are 1, 31, 37, 1147. There are 4 integers that are factors of 1147. The greatest factor of 1147 is 1147.
4. How to Find the GCF of 1142 and 1147?
Answer:
Greatest Common Factor of 1142 and 1147 = 1
Step 1: Find the prime factorization of 1142
1142 = 2 x 571
Step 2: Find the prime factorization of 1147
1147 = 31 x 37
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 1142 and 1147 is 1