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 1602, 1605 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1602 and 1605 is 3.
GCF(1602,1605) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1602
2 | 1602 |
3 | 801 |
3 | 267 |
89 | 89 |
1 |
Prime factors of 1602 are 2,3,89. Prime factorization of 1602 in exponential form is:
1602 = 21×32×891
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
∴ So by taking common prime factors GCF of 1602 and 1605 is 3
Factors of 1602
List of positive integer factors of 1602 that divides 1602 without a remainder.
1,2,3,6,9,18,89,178,267,534,801,1602
Factors of 1605
List of positive integer factors of 1605 that divides 1605 without a remainder.
1,3,5,15,107,321,535,1605
Greatest Common Factor
We found the factors and prime factorization of 1602 and 1605. The biggest common factor number is the GCF number.
So the greatest common factor 1602 and 1605 is 3.
Also check out the Least Common Multiple of 1602 and 1605
(i) The GCF of 1602 and 1605 is associative
GCF of 1602 and 1605 = GCF of 1605 and 1602
1. What is the GCF of 1602 and 1605?
Answer: GCF of 1602 and 1605 is 3.
2. What are the Factors of 1602?
Answer: Factors of 1602 are 1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602. There are 12 integers that are factors of 1602. The greatest factor of 1602 is 1602.
3. 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.
4. How to Find the GCF of 1602 and 1605?
Answer:
Greatest Common Factor of 1602 and 1605 = 3
Step 1: Find the prime factorization of 1602
1602 = 2 x 3 x 3 x 89
Step 2: Find the prime factorization of 1605
1605 = 3 x 5 x 107
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 1602 and 1605 is 3