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 1605, 1606 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1605 and 1606 is 1.
GCF(1605,1606) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1605
3 | 1605 |
5 | 535 |
107 | 107 |
1 |
Prime factors of 1605 are 3,5,107. Prime factorization of 1605 in exponential form is:
1605 = 31×51×1071
Prime Factorization of 1606
2 | 1606 |
11 | 803 |
73 | 73 |
1 |
Prime factors of 1606 are 2,11,73. Prime factorization of 1606 in exponential form is:
1606 = 21×111×731
∴ So by taking common prime factors GCF of 1605 and 1606 is 1
Factors of 1605
List of positive integer factors of 1605 that divides 1605 without a remainder.
1,3,5,15,107,321,535,1605
Factors of 1606
List of positive integer factors of 1606 that divides 1606 without a remainder.
1,2,11,22,73,146,803,1606
Greatest Common Factor
We found the factors and prime factorization of 1605 and 1606. The biggest common factor number is the GCF number.
So the greatest common factor 1605 and 1606 is 1.
Also check out the Least Common Multiple of 1605 and 1606
(i) The GCF of 1605 and 1606 is associative
GCF of 1605 and 1606 = GCF of 1606 and 1605
1. What is the GCF of 1605 and 1606?
Answer: GCF of 1605 and 1606 is 1.
2. What are the Factors of 1605?
Answer: Factors of 1605 are 1, 3, 5, 15, 107, 321, 535, 1605. There are 8 integers that are factors of 1605. The greatest factor of 1605 is 1605.
3. What are the Factors of 1606?
Answer: Factors of 1606 are 1, 2, 11, 22, 73, 146, 803, 1606. There are 8 integers that are factors of 1606. The greatest factor of 1606 is 1606.
4. How to Find the GCF of 1605 and 1606?
Answer:
Greatest Common Factor of 1605 and 1606 = 1
Step 1: Find the prime factorization of 1605
1605 = 3 x 5 x 107
Step 2: Find the prime factorization of 1606
1606 = 2 x 11 x 73
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1605 and 1606 is 1