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 997, 998 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 997 and 998 is 1.
GCF(997,998) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 997
997 | 997 |
1 |
Prime factors of 997 are 997. Prime factorization of 997 in exponential form is:
997 = 9971
Prime Factorization of 998
2 | 998 |
499 | 499 |
1 |
Prime factors of 998 are 2.Prime factorization of 998 in exponential form is:
998 = 21×4991
∴ So by taking common prime factors GCF of 997 and 998 is 1
Factors of 997
List of positive integer factors of 997 that divides 997 without a remainder.
1,997
Factors of 998
List of positive integer factors of 998 that divides 998 without a remainder.
1,2,499,998
Greatest Common Factor
We found the factors and prime factorization of 997 and 998. The biggest common factor number is the GCF number.
So the greatest common factor 997 and 998 is 1.
Also check out the Least Common Multiple of 997 and 998
(i) The GCF of 997 and 998 is associative
GCF of 997 and 998 = GCF of 998 and 997
1. What is the GCF of 997 and 998?
Answer: GCF of 997 and 998 is 1.
2. What are the Factors of 997?
Answer: Factors of 997 are 1, 997. There are 2 integers that are factors of 997. The greatest factor of 997 is 997.
3. What are the Factors of 998?
Answer: Factors of 998 are 1, 2, 499, 998. There are 4 integers that are factors of 998. The greatest factor of 998 is 998.
4. How to Find the GCF of 997 and 998?
Answer:
Greatest Common Factor of 997 and 998 = 1
Step 1: Find the prime factorization of 997
997 = 997
Step 2: Find the prime factorization of 998
998 = 2 x 499
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 997 and 998 is 1