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 272, 278 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 272 and 278 is 2.
GCF(272,278) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 272
2 | 272 |
2 | 136 |
2 | 68 |
2 | 34 |
17 | 17 |
1 |
Prime factors of 272 are 2,17. Prime factorization of 272 in exponential form is:
272 = 24×171
Prime Factorization of 278
2 | 278 |
139 | 139 |
1 |
Prime factors of 278 are 2,139. Prime factorization of 278 in exponential form is:
278 = 21×1391
∴ So by taking common prime factors GCF of 272 and 278 is 2
Factors of 272
List of positive integer factors of 272 that divides 272 without a remainder.
1,2,4,8,16,17,34,68,136,272
Factors of 278
List of positive integer factors of 278 that divides 278 without a remainder.
1,2,139,278
Greatest Common Factor
We found the factors and prime factorization of 272 and 278. The biggest common factor number is the GCF number.
So the greatest common factor 272 and 278 is 2.
Also check out the Least Common Multiple of 272 and 278
(i) The GCF of 272 and 278 is associative
GCF of 272 and 278 = GCF of 278 and 272
1. What is the GCF of 272 and 278?
Answer: GCF of 272 and 278 is 2.
2. What are the Factors of 272?
Answer: Factors of 272 are 1, 2, 4, 8, 16, 17, 34, 68, 136, 272. There are 10 integers that are factors of 272. The greatest factor of 272 is 272.
3. What are the Factors of 278?
Answer: Factors of 278 are 1, 2, 139, 278. There are 4 integers that are factors of 278. The greatest factor of 278 is 278.
4. How to Find the GCF of 272 and 278?
Answer:
Greatest Common Factor of 272 and 278 = 2
Step 1: Find the prime factorization of 272
272 = 2 x 2 x 2 x 2 x 17
Step 2: Find the prime factorization of 278
278 = 2 x 139
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 272 and 278 is 2