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 25298, 25305 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 25298 and 25305 is 7.
GCF(25298,25305) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 25298
2 | 25298 |
7 | 12649 |
13 | 1807 |
139 | 139 |
1 |
Prime factors of 25298 are 2,7,13,139. Prime factorization of 25298 in exponential form is:
25298 = 21×71×131×1391
Prime Factorization of 25305
3 | 25305 |
5 | 8435 |
7 | 1687 |
241 | 241 |
1 |
Prime factors of 25305 are 3,5,7,241. Prime factorization of 25305 in exponential form is:
25305 = 31×51×71×2411
∴ So by taking common prime factors GCF of 25298 and 25305 is 7
Factors of 25298
List of positive integer factors of 25298 that divides 25298 without a remainder.
1,2,7,13,14,26,91,139,182,278,973,1807,1946,3614,12649,25298
Factors of 25305
List of positive integer factors of 25305 that divides 25305 without a remainder.
1,3,5,7,15,21,35,105,241,723,1205,1687,3615,5061,8435,25305
Greatest Common Factor
We found the factors and prime factorization of 25298 and 25305. The biggest common factor number is the GCF number.
So the greatest common factor 25298 and 25305 is 7.
Also check out the Least Common Multiple of 25298 and 25305
(i) The GCF of 25298 and 25305 is associative
GCF of 25298 and 25305 = GCF of 25305 and 25298
1. What is the GCF of 25298 and 25305?
Answer: GCF of 25298 and 25305 is 7.
2. What are the Factors of 25298?
Answer: Factors of 25298 are 1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 973, 1807, 1946, 3614, 12649, 25298. There are 16 integers that are factors of 25298. The greatest factor of 25298 is 25298.
3. What are the Factors of 25305?
Answer: Factors of 25305 are 1, 3, 5, 7, 15, 21, 35, 105, 241, 723, 1205, 1687, 3615, 5061, 8435, 25305. There are 16 integers that are factors of 25305. The greatest factor of 25305 is 25305.
4. How to Find the GCF of 25298 and 25305?
Answer:
Greatest Common Factor of 25298 and 25305 = 7
Step 1: Find the prime factorization of 25298
25298 = 2 x 7 x 13 x 139
Step 2: Find the prime factorization of 25305
25305 = 3 x 5 x 7 x 241
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 25298 and 25305 is 7