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 1479, 1485 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1479 and 1485 is 3.
GCF(1479,1485) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1479
3 | 1479 |
17 | 493 |
29 | 29 |
1 |
Prime factors of 1479 are 3,17,29. Prime factorization of 1479 in exponential form is:
1479 = 31×171×291
Prime Factorization of 1485
3 | 1485 |
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 1485 are 3,5,11. Prime factorization of 1485 in exponential form is:
1485 = 33×51×111
∴ So by taking common prime factors GCF of 1479 and 1485 is 3
Factors of 1479
List of positive integer factors of 1479 that divides 1479 without a remainder.
1,3,17,29,51,87,493,1479
Factors of 1485
List of positive integer factors of 1485 that divides 1485 without a remainder.
1,3,5,9,11,15,27,33,45,55,99,135,165,297,495,1485
Greatest Common Factor
We found the factors and prime factorization of 1479 and 1485. The biggest common factor number is the GCF number.
So the greatest common factor 1479 and 1485 is 3.
Also check out the Least Common Multiple of 1479 and 1485
(i) The GCF of 1479 and 1485 is associative
GCF of 1479 and 1485 = GCF of 1485 and 1479
1. What is the GCF of 1479 and 1485?
Answer: GCF of 1479 and 1485 is 3.
2. What are the Factors of 1479?
Answer: Factors of 1479 are 1, 3, 17, 29, 51, 87, 493, 1479. There are 8 integers that are factors of 1479. The greatest factor of 1479 is 1479.
3. What are the Factors of 1485?
Answer: Factors of 1485 are 1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485. There are 16 integers that are factors of 1485. The greatest factor of 1485 is 1485.
4. How to Find the GCF of 1479 and 1485?
Answer:
Greatest Common Factor of 1479 and 1485 = 3
Step 1: Find the prime factorization of 1479
1479 = 3 x 17 x 29
Step 2: Find the prime factorization of 1485
1485 = 3 x 3 x 3 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 1479 and 1485 is 3