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 3124, 3128 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3124 and 3128 is 4.
GCF(3124,3128) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3124
2 | 3124 |
2 | 1562 |
11 | 781 |
71 | 71 |
1 |
Prime factors of 3124 are 2,11,71. Prime factorization of 3124 in exponential form is:
3124 = 22×111×711
Prime Factorization of 3128
2 | 3128 |
2 | 1564 |
2 | 782 |
17 | 391 |
23 | 23 |
1 |
Prime factors of 3128 are 2,17,23. Prime factorization of 3128 in exponential form is:
3128 = 23×171×231
∴ So by taking common prime factors GCF of 3124 and 3128 is 4
Factors of 3124
List of positive integer factors of 3124 that divides 3124 without a remainder.
1,2,4,11,22,44,71,142,284,781,1562,3124
Factors of 3128
List of positive integer factors of 3128 that divides 3128 without a remainder.
1,2,4,8,17,23,34,46,68,92,136,184,391,782,1564,3128
Greatest Common Factor
We found the factors and prime factorization of 3124 and 3128. The biggest common factor number is the GCF number.
So the greatest common factor 3124 and 3128 is 4.
Also check out the Least Common Multiple of 3124 and 3128
(i) The GCF of 3124 and 3128 is associative
GCF of 3124 and 3128 = GCF of 3128 and 3124
1. What is the GCF of 3124 and 3128?
Answer: GCF of 3124 and 3128 is 4.
2. What are the Factors of 3124?
Answer: Factors of 3124 are 1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124. There are 12 integers that are factors of 3124. The greatest factor of 3124 is 3124.
3. What are the Factors of 3128?
Answer: Factors of 3128 are 1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128. There are 16 integers that are factors of 3128. The greatest factor of 3128 is 3128.
4. How to Find the GCF of 3124 and 3128?
Answer:
Greatest Common Factor of 3124 and 3128 = 4
Step 1: Find the prime factorization of 3124
3124 = 2 x 2 x 11 x 71
Step 2: Find the prime factorization of 3128
3128 = 2 x 2 x 2 x 17 x 23
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 3124 and 3128 is 4