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 298, 305 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 298 and 305 is 1.
GCF(298,305) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 298
2 | 298 |
149 | 149 |
1 |
Prime factors of 298 are 2,149. Prime factorization of 298 in exponential form is:
298 = 21×1491
Prime Factorization of 305
5 | 305 |
61 | 61 |
1 |
Prime factors of 305 are 5,61. Prime factorization of 305 in exponential form is:
305 = 51×611
∴ So by taking common prime factors GCF of 298 and 305 is 1
Factors of 298
List of positive integer factors of 298 that divides 298 without a remainder.
1,2,149,298
Factors of 305
List of positive integer factors of 305 that divides 305 without a remainder.
1,5,61,305
Greatest Common Factor
We found the factors and prime factorization of 298 and 305. The biggest common factor number is the GCF number.
So the greatest common factor 298 and 305 is 1.
Also check out the Least Common Multiple of 298 and 305
(i) The GCF of 298 and 305 is associative
GCF of 298 and 305 = GCF of 305 and 298
1. What is the GCF of 298 and 305?
Answer: GCF of 298 and 305 is 1.
2. What are the Factors of 298?
Answer: Factors of 298 are 1, 2, 149, 298. There are 4 integers that are factors of 298. The greatest factor of 298 is 298.
3. What are the Factors of 305?
Answer: Factors of 305 are 1, 5, 61, 305. There are 4 integers that are factors of 305. The greatest factor of 305 is 305.
4. How to Find the GCF of 298 and 305?
Answer:
Greatest Common Factor of 298 and 305 = 1
Step 1: Find the prime factorization of 298
298 = 2 x 149
Step 2: Find the prime factorization of 305
305 = 5 x 61
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 298 and 305 is 1