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 9991, 9998 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 9991 and 9998 is 1.
GCF(9991,9998) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 9991
97 | 9991 |
103 | 103 |
1 |
Prime factors of 9991 are 97,103. Prime factorization of 9991 in exponential form is:
9991 = 971×1031
Prime Factorization of 9998
2 | 9998 |
4999 | 4999 |
1 |
Prime factors of 9998 are 2,4999. Prime factorization of 9998 in exponential form is:
9998 = 21×49991
∴ So by taking common prime factors GCF of 9991 and 9998 is 1
Factors of 9991
List of positive integer factors of 9991 that divides 9991 without a remainder.
1,97,103,9991
Factors of 9998
List of positive integer factors of 9998 that divides 9998 without a remainder.
1,2,4999,9998
Greatest Common Factor
We found the factors and prime factorization of 9991 and 9998. The biggest common factor number is the GCF number.
So the greatest common factor 9991 and 9998 is 1.
Also check out the Least Common Multiple of 9991 and 9998
(i) The GCF of 9991 and 9998 is associative
GCF of 9991 and 9998 = GCF of 9998 and 9991
1. What is the GCF of 9991 and 9998?
Answer: GCF of 9991 and 9998 is 1.
2. What are the Factors of 9991?
Answer: Factors of 9991 are 1, 97, 103, 9991. There are 4 integers that are factors of 9991. The greatest factor of 9991 is 9991.
3. What are the Factors of 9998?
Answer: Factors of 9998 are 1, 2, 4999, 9998. There are 4 integers that are factors of 9998. The greatest factor of 9998 is 9998.
4. How to Find the GCF of 9991 and 9998?
Answer:
Greatest Common Factor of 9991 and 9998 = 1
Step 1: Find the prime factorization of 9991
9991 = 97 x 103
Step 2: Find the prime factorization of 9998
9998 = 2 x 4999
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 9991 and 9998 is 1