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 7138, 7142 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7138 and 7142 is 2.
GCF(7138,7142) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7138
2 | 7138 |
43 | 3569 |
83 | 83 |
1 |
Prime factors of 7138 are 2,43,83. Prime factorization of 7138 in exponential form is:
7138 = 21×431×831
Prime Factorization of 7142
2 | 7142 |
3571 | 3571 |
1 |
Prime factors of 7142 are 2,3571. Prime factorization of 7142 in exponential form is:
7142 = 21×35711
∴ So by taking common prime factors GCF of 7138 and 7142 is 2
Factors of 7138
List of positive integer factors of 7138 that divides 7138 without a remainder.
1,2,43,83,86,166,3569,7138
Factors of 7142
List of positive integer factors of 7142 that divides 7142 without a remainder.
1,2,3571,7142
Greatest Common Factor
We found the factors and prime factorization of 7138 and 7142. The biggest common factor number is the GCF number.
So the greatest common factor 7138 and 7142 is 2.
Also check out the Least Common Multiple of 7138 and 7142
(i) The GCF of 7138 and 7142 is associative
GCF of 7138 and 7142 = GCF of 7142 and 7138
1. What is the GCF of 7138 and 7142?
Answer: GCF of 7138 and 7142 is 2.
2. What are the Factors of 7138?
Answer: Factors of 7138 are 1, 2, 43, 83, 86, 166, 3569, 7138. There are 8 integers that are factors of 7138. The greatest factor of 7138 is 7138.
3. What are the Factors of 7142?
Answer: Factors of 7142 are 1, 2, 3571, 7142. There are 4 integers that are factors of 7142. The greatest factor of 7142 is 7142.
4. How to Find the GCF of 7138 and 7142?
Answer:
Greatest Common Factor of 7138 and 7142 = 2
Step 1: Find the prime factorization of 7138
7138 = 2 x 43 x 83
Step 2: Find the prime factorization of 7142
7142 = 2 x 3571
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 7138 and 7142 is 2