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 1620, 1626 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1620 and 1626 is 6.
GCF(1620,1626) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1620
2 | 1620 |
2 | 810 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 1620 are 2,3,5. Prime factorization of 1620 in exponential form is:
1620 = 22×34×51
Prime Factorization of 1626
2 | 1626 |
3 | 813 |
271 | 271 |
1 |
Prime factors of 1626 are 2,3,271. Prime factorization of 1626 in exponential form is:
1626 = 21×31×2711
∴ So by taking common prime factors GCF of 1620 and 1626 is 6
Factors of 1620
List of positive integer factors of 1620 that divides 1620 without a remainder.
1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,81,90,108,135,162,180,270,324,405,540,810,1620
Factors of 1626
List of positive integer factors of 1626 that divides 1626 without a remainder.
1,2,3,6,271,542,813,1626
Greatest Common Factor
We found the factors and prime factorization of 1620 and 1626. The biggest common factor number is the GCF number.
So the greatest common factor 1620 and 1626 is 6.
Also check out the Least Common Multiple of 1620 and 1626
(i) The GCF of 1620 and 1626 is associative
GCF of 1620 and 1626 = GCF of 1626 and 1620
1. What is the GCF of 1620 and 1626?
Answer: GCF of 1620 and 1626 is 6.
2. What are the Factors of 1620?
Answer: Factors of 1620 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620. There are 30 integers that are factors of 1620. The greatest factor of 1620 is 1620.
3. What are the Factors of 1626?
Answer: Factors of 1626 are 1, 2, 3, 6, 271, 542, 813, 1626. There are 8 integers that are factors of 1626. The greatest factor of 1626 is 1626.
4. How to Find the GCF of 1620 and 1626?
Answer:
Greatest Common Factor of 1620 and 1626 = 6
Step 1: Find the prime factorization of 1620
1620 = 2 x 2 x 3 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 1626
1626 = 2 x 3 x 271
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 1620 and 1626 is 6