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 487, 491 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 487 and 491 is 1.
GCF(487,491) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 487
487 | 487 |
1 |
Prime factors of 487 are 487. Prime factorization of 487 in exponential form is:
487 = 4871
Prime Factorization of 491
491 | 491 |
1 |
Prime factors of 491 are 491.Prime factorization of 491 in exponential form is:
491 = 4911
∴ So by taking common prime factors GCF of 487 and 491 is 1
Factors of 487
List of positive integer factors of 487 that divides 487 without a remainder.
1,487
Factors of 491
List of positive integer factors of 491 that divides 491 without a remainder.
1,491
Greatest Common Factor
We found the factors and prime factorization of 487 and 491. The biggest common factor number is the GCF number.
So the greatest common factor 487 and 491 is 1.
Also check out the Least Common Multiple of 487 and 491
(i) The GCF of 487 and 491 is associative
GCF of 487 and 491 = GCF of 491 and 487
1. What is the GCF of 487 and 491?
Answer: GCF of 487 and 491 is 1.
2. What are the Factors of 487?
Answer: Factors of 487 are 1, 487. There are 2 integers that are factors of 487. The greatest factor of 487 is 487.
3. 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.
4. How to Find the GCF of 487 and 491?
Answer:
Greatest Common Factor of 487 and 491 = 1
Step 1: Find the prime factorization of 487
487 = 487
Step 2: Find the prime factorization of 491
491 = 491
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 487 and 491 is 1