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 245, 246 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 245 and 246 is 1.
GCF(245,246) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 245
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 245 are 5,7. Prime factorization of 245 in exponential form is:
245 = 51×72
Prime Factorization of 246
2 | 246 |
3 | 123 |
41 | 41 |
1 |
Prime factors of 246 are 2,3,41. Prime factorization of 246 in exponential form is:
246 = 21×31×411
∴ So by taking common prime factors GCF of 245 and 246 is 1
Factors of 245
List of positive integer factors of 245 that divides 245 without a remainder.
1,5,7,35,49,245
Factors of 246
List of positive integer factors of 246 that divides 246 without a remainder.
1,2,3,6,41,82,123,246
Greatest Common Factor
We found the factors and prime factorization of 245 and 246. The biggest common factor number is the GCF number.
So the greatest common factor 245 and 246 is 1.
Also check out the Least Common Multiple of 245 and 246
(i) The GCF of 245 and 246 is associative
GCF of 245 and 246 = GCF of 246 and 245
1. What is the GCF of 245 and 246?
Answer: GCF of 245 and 246 is 1.
2. What are the Factors of 245?
Answer: Factors of 245 are 1, 5, 7, 35, 49, 245. There are 6 integers that are factors of 245. The greatest factor of 245 is 245.
3. What are the Factors of 246?
Answer: Factors of 246 are 1, 2, 3, 6, 41, 82, 123, 246. There are 8 integers that are factors of 246. The greatest factor of 246 is 246.
4. How to Find the GCF of 245 and 246?
Answer:
Greatest Common Factor of 245 and 246 = 1
Step 1: Find the prime factorization of 245
245 = 5 x 7 x 7
Step 2: Find the prime factorization of 246
246 = 2 x 3 x 41
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 245 and 246 is 1