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 491, 494 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 491 and 494 is 1.
GCF(491,494) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 491
491 | 491 |
1 |
Prime factors of 491 are 491. Prime factorization of 491 in exponential form is:
491 = 4911
Prime Factorization of 494
2 | 494 |
13 | 247 |
19 | 19 |
1 |
Prime factors of 494 are 2.Prime factorization of 494 in exponential form is:
494 = 21×131×191
∴ So by taking common prime factors GCF of 491 and 494 is 1
Factors of 491
List of positive integer factors of 491 that divides 491 without a remainder.
1,491
Factors of 494
List of positive integer factors of 494 that divides 494 without a remainder.
1,2,13,19,26,38,247,494
Greatest Common Factor
We found the factors and prime factorization of 491 and 494. The biggest common factor number is the GCF number.
So the greatest common factor 491 and 494 is 1.
Also check out the Least Common Multiple of 491 and 494
(i) The GCF of 491 and 494 is associative
GCF of 491 and 494 = GCF of 494 and 491
1. What is the GCF of 491 and 494?
Answer: GCF of 491 and 494 is 1.
2. What are the Factors of 491?
Answer: Factors of 491 are 1, 491. There are 2 integers that are factors of 491. The greatest factor of 491 is 491.
3. What are the Factors of 494?
Answer: Factors of 494 are 1, 2, 13, 19, 26, 38, 247, 494. There are 8 integers that are factors of 494. The greatest factor of 494 is 494.
4. How to Find the GCF of 491 and 494?
Answer:
Greatest Common Factor of 491 and 494 = 1
Step 1: Find the prime factorization of 491
491 = 491
Step 2: Find the prime factorization of 494
494 = 2 x 13 x 19
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 491 and 494 is 1