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 1608, 1611 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1608 and 1611 is 3.
GCF(1608,1611) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1608
2 | 1608 |
2 | 804 |
2 | 402 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 1608 are 2,3,67. Prime factorization of 1608 in exponential form is:
1608 = 23×31×671
Prime Factorization of 1611
3 | 1611 |
3 | 537 |
179 | 179 |
1 |
Prime factors of 1611 are 3,179. Prime factorization of 1611 in exponential form is:
1611 = 32×1791
∴ So by taking common prime factors GCF of 1608 and 1611 is 3
Factors of 1608
List of positive integer factors of 1608 that divides 1608 without a remainder.
1,2,3,4,6,8,12,24,67,134,201,268,402,536,804,1608
Factors of 1611
List of positive integer factors of 1611 that divides 1611 without a remainder.
1,3,9,179,537,1611
Greatest Common Factor
We found the factors and prime factorization of 1608 and 1611. The biggest common factor number is the GCF number.
So the greatest common factor 1608 and 1611 is 3.
Also check out the Least Common Multiple of 1608 and 1611
(i) The GCF of 1608 and 1611 is associative
GCF of 1608 and 1611 = GCF of 1611 and 1608
1. What is the GCF of 1608 and 1611?
Answer: GCF of 1608 and 1611 is 3.
2. What are the Factors of 1608?
Answer: Factors of 1608 are 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608. There are 16 integers that are factors of 1608. The greatest factor of 1608 is 1608.
3. What are the Factors of 1611?
Answer: Factors of 1611 are 1, 3, 9, 179, 537, 1611. There are 6 integers that are factors of 1611. The greatest factor of 1611 is 1611.
4. How to Find the GCF of 1608 and 1611?
Answer:
Greatest Common Factor of 1608 and 1611 = 3
Step 1: Find the prime factorization of 1608
1608 = 2 x 2 x 2 x 3 x 67
Step 2: Find the prime factorization of 1611
1611 = 3 x 3 x 179
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 1608 and 1611 is 3