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 7122, 7130 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7122 and 7130 is 2.
GCF(7122,7130) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7122
2 | 7122 |
3 | 3561 |
1187 | 1187 |
1 |
Prime factors of 7122 are 2,3,1187. Prime factorization of 7122 in exponential form is:
7122 = 21×31×11871
Prime Factorization of 7130
2 | 7130 |
5 | 3565 |
23 | 713 |
31 | 31 |
1 |
Prime factors of 7130 are 2,5,23,31. Prime factorization of 7130 in exponential form is:
7130 = 21×51×231×311
∴ So by taking common prime factors GCF of 7122 and 7130 is 2
Factors of 7122
List of positive integer factors of 7122 that divides 7122 without a remainder.
1,2,3,6,1187,2374,3561,7122
Factors of 7130
List of positive integer factors of 7130 that divides 7130 without a remainder.
1,2,5,10,23,31,46,62,115,155,230,310,713,1426,3565,7130
Greatest Common Factor
We found the factors and prime factorization of 7122 and 7130. The biggest common factor number is the GCF number.
So the greatest common factor 7122 and 7130 is 2.
Also check out the Least Common Multiple of 7122 and 7130
(i) The GCF of 7122 and 7130 is associative
GCF of 7122 and 7130 = GCF of 7130 and 7122
1. What is the GCF of 7122 and 7130?
Answer: GCF of 7122 and 7130 is 2.
2. What are the Factors of 7122?
Answer: Factors of 7122 are 1, 2, 3, 6, 1187, 2374, 3561, 7122. There are 8 integers that are factors of 7122. The greatest factor of 7122 is 7122.
3. What are the Factors of 7130?
Answer: Factors of 7130 are 1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130. There are 16 integers that are factors of 7130. The greatest factor of 7130 is 7130.
4. How to Find the GCF of 7122 and 7130?
Answer:
Greatest Common Factor of 7122 and 7130 = 2
Step 1: Find the prime factorization of 7122
7122 = 2 x 3 x 1187
Step 2: Find the prime factorization of 7130
7130 = 2 x 5 x 23 x 31
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 7122 and 7130 is 2