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 1647, 1650 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1647 and 1650 is 3.
GCF(1647,1650) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1647
3 | 1647 |
3 | 549 |
3 | 183 |
61 | 61 |
1 |
Prime factors of 1647 are 3,61. Prime factorization of 1647 in exponential form is:
1647 = 33×611
Prime Factorization of 1650
2 | 1650 |
3 | 825 |
5 | 275 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 1650 are 2,3,5,11. Prime factorization of 1650 in exponential form is:
1650 = 21×31×52×111
∴ So by taking common prime factors GCF of 1647 and 1650 is 3
Factors of 1647
List of positive integer factors of 1647 that divides 1647 without a remainder.
1,3,9,27,61,183,549,1647
Factors of 1650
List of positive integer factors of 1650 that divides 1650 without a remainder.
1,2,3,5,6,10,11,15,22,25,30,33,50,55,66,75,110,150,165,275,330,550,825,1650
Greatest Common Factor
We found the factors and prime factorization of 1647 and 1650. The biggest common factor number is the GCF number.
So the greatest common factor 1647 and 1650 is 3.
Also check out the Least Common Multiple of 1647 and 1650
(i) The GCF of 1647 and 1650 is associative
GCF of 1647 and 1650 = GCF of 1650 and 1647
1. What is the GCF of 1647 and 1650?
Answer: GCF of 1647 and 1650 is 3.
2. What are the Factors of 1647?
Answer: Factors of 1647 are 1, 3, 9, 27, 61, 183, 549, 1647. There are 8 integers that are factors of 1647. The greatest factor of 1647 is 1647.
3. What are the Factors of 1650?
Answer: Factors of 1650 are 1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650. There are 24 integers that are factors of 1650. The greatest factor of 1650 is 1650.
4. How to Find the GCF of 1647 and 1650?
Answer:
Greatest Common Factor of 1647 and 1650 = 3
Step 1: Find the prime factorization of 1647
1647 = 3 x 3 x 3 x 61
Step 2: Find the prime factorization of 1650
1650 = 2 x 3 x 5 x 5 x 11
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1647 and 1650 is 3