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 9898, 9905 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 9898 and 9905 is 7.
GCF(9898,9905) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 9898
2 | 9898 |
7 | 4949 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 9898 are 2,7,101. Prime factorization of 9898 in exponential form is:
9898 = 21×72×1011
Prime Factorization of 9905
5 | 9905 |
7 | 1981 |
283 | 283 |
1 |
Prime factors of 9905 are 5,7,283. Prime factorization of 9905 in exponential form is:
9905 = 51×71×2831
∴ So by taking common prime factors GCF of 9898 and 9905 is 7
Factors of 9898
List of positive integer factors of 9898 that divides 9898 without a remainder.
1,2,7,14,49,98,101,202,707,1414,4949,9898
Factors of 9905
List of positive integer factors of 9905 that divides 9905 without a remainder.
1,5,7,35,283,1415,1981,9905
Greatest Common Factor
We found the factors and prime factorization of 9898 and 9905. The biggest common factor number is the GCF number.
So the greatest common factor 9898 and 9905 is 7.
Also check out the Least Common Multiple of 9898 and 9905
(i) The GCF of 9898 and 9905 is associative
GCF of 9898 and 9905 = GCF of 9905 and 9898
1. What is the GCF of 9898 and 9905?
Answer: GCF of 9898 and 9905 is 7.
2. What are the Factors of 9898?
Answer: Factors of 9898 are 1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 4949, 9898. There are 12 integers that are factors of 9898. The greatest factor of 9898 is 9898.
3. What are the Factors of 9905?
Answer: Factors of 9905 are 1, 5, 7, 35, 283, 1415, 1981, 9905. There are 8 integers that are factors of 9905. The greatest factor of 9905 is 9905.
4. How to Find the GCF of 9898 and 9905?
Answer:
Greatest Common Factor of 9898 and 9905 = 7
Step 1: Find the prime factorization of 9898
9898 = 2 x 7 x 7 x 101
Step 2: Find the prime factorization of 9905
9905 = 5 x 7 x 283
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 9898 and 9905 is 7