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 485, 490 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 485 and 490 is 5.
GCF(485,490) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 485
5 | 485 |
97 | 97 |
1 |
Prime factors of 485 are 5,97. Prime factorization of 485 in exponential form is:
485 = 51×971
Prime Factorization of 490
2 | 490 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 490 are 2,5,7. Prime factorization of 490 in exponential form is:
490 = 21×51×72
∴ So by taking common prime factors GCF of 485 and 490 is 5
Factors of 485
List of positive integer factors of 485 that divides 485 without a remainder.
1,5,97,485
Factors of 490
List of positive integer factors of 490 that divides 490 without a remainder.
1,2,5,7,10,14,35,49,70,98,245,490
Greatest Common Factor
We found the factors and prime factorization of 485 and 490. The biggest common factor number is the GCF number.
So the greatest common factor 485 and 490 is 5.
Also check out the Least Common Multiple of 485 and 490
(i) The GCF of 485 and 490 is associative
GCF of 485 and 490 = GCF of 490 and 485
1. What is the GCF of 485 and 490?
Answer: GCF of 485 and 490 is 5.
2. What are the Factors of 485?
Answer: Factors of 485 are 1, 5, 97, 485. There are 4 integers that are factors of 485. The greatest factor of 485 is 485.
3. What are the Factors of 490?
Answer: Factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490. There are 12 integers that are factors of 490. The greatest factor of 490 is 490.
4. How to Find the GCF of 485 and 490?
Answer:
Greatest Common Factor of 485 and 490 = 5
Step 1: Find the prime factorization of 485
485 = 5 x 97
Step 2: Find the prime factorization of 490
490 = 2 x 5 x 7 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 485 and 490 is 5