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 248, 254 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 248 and 254 is 2.
GCF(248,254) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 248
2 | 248 |
2 | 124 |
2 | 62 |
31 | 31 |
1 |
Prime factors of 248 are 2,31. Prime factorization of 248 in exponential form is:
248 = 23×311
Prime Factorization of 254
2 | 254 |
127 | 127 |
1 |
Prime factors of 254 are 2,127. Prime factorization of 254 in exponential form is:
254 = 21×1271
∴ So by taking common prime factors GCF of 248 and 254 is 2
Factors of 248
List of positive integer factors of 248 that divides 248 without a remainder.
1,2,4,8,31,62,124,248
Factors of 254
List of positive integer factors of 254 that divides 254 without a remainder.
1,2,127,254
Greatest Common Factor
We found the factors and prime factorization of 248 and 254. The biggest common factor number is the GCF number.
So the greatest common factor 248 and 254 is 2.
Also check out the Least Common Multiple of 248 and 254
(i) The GCF of 248 and 254 is associative
GCF of 248 and 254 = GCF of 254 and 248
1. What is the GCF of 248 and 254?
Answer: GCF of 248 and 254 is 2.
2. What are the Factors of 248?
Answer: Factors of 248 are 1, 2, 4, 8, 31, 62, 124, 248. There are 8 integers that are factors of 248. The greatest factor of 248 is 248.
3. What are the Factors of 254?
Answer: Factors of 254 are 1, 2, 127, 254. There are 4 integers that are factors of 254. The greatest factor of 254 is 254.
4. How to Find the GCF of 248 and 254?
Answer:
Greatest Common Factor of 248 and 254 = 2
Step 1: Find the prime factorization of 248
248 = 2 x 2 x 2 x 31
Step 2: Find the prime factorization of 254
254 = 2 x 127
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 248 and 254 is 2