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 250, 257 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 250 and 257 is 1.
GCF(250,257) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 250
2 | 250 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 250 are 2,5. Prime factorization of 250 in exponential form is:
250 = 21×53
Prime Factorization of 257
257 | 257 |
1 |
Prime factors of 257 are 257. Prime factorization of 257 in exponential form is:
257 = 2571
∴ So by taking common prime factors GCF of 250 and 257 is 1
Factors of 250
List of positive integer factors of 250 that divides 250 without a remainder.
1,2,5,10,25,50,125,250
Factors of 257
List of positive integer factors of 257 that divides 257 without a remainder.
1,257
Greatest Common Factor
We found the factors and prime factorization of 250 and 257. The biggest common factor number is the GCF number.
So the greatest common factor 250 and 257 is 1.
Also check out the Least Common Multiple of 250 and 257
(i) The GCF of 250 and 257 is associative
GCF of 250 and 257 = GCF of 257 and 250
1. What is the GCF of 250 and 257?
Answer: GCF of 250 and 257 is 1.
2. What are the Factors of 250?
Answer: Factors of 250 are 1, 2, 5, 10, 25, 50, 125, 250. There are 8 integers that are factors of 250. The greatest factor of 250 is 250.
3. What are the Factors of 257?
Answer: Factors of 257 are 1, 257. There are 2 integers that are factors of 257. The greatest factor of 257 is 257.
4. How to Find the GCF of 250 and 257?
Answer:
Greatest Common Factor of 250 and 257 = 1
Step 1: Find the prime factorization of 250
250 = 2 x 5 x 5 x 5
Step 2: Find the prime factorization of 257
257 = 257
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 250 and 257 is 1