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 490, 495 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 490 and 495 is 5.
GCF(490,495) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 495
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 495 are 3,5,11. Prime factorization of 495 in exponential form is:
495 = 32×51×111
∴ So by taking common prime factors GCF of 490 and 495 is 5
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
Factors of 495
List of positive integer factors of 495 that divides 495 without a remainder.
1,3,5,9,11,15,33,45,55,99,165,495
Greatest Common Factor
We found the factors and prime factorization of 490 and 495. The biggest common factor number is the GCF number.
So the greatest common factor 490 and 495 is 5.
Also check out the Least Common Multiple of 490 and 495
(i) The GCF of 490 and 495 is associative
GCF of 490 and 495 = GCF of 495 and 490
1. What is the GCF of 490 and 495?
Answer: GCF of 490 and 495 is 5.
2. 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.
3. What are the Factors of 495?
Answer: Factors of 495 are 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495. There are 12 integers that are factors of 495. The greatest factor of 495 is 495.
4. How to Find the GCF of 490 and 495?
Answer:
Greatest Common Factor of 490 and 495 = 5
Step 1: Find the prime factorization of 490
490 = 2 x 5 x 7 x 7
Step 2: Find the prime factorization of 495
495 = 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 = 5
Step 4: Therefore, the greatest common factor of 490 and 495 is 5