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 190, 197 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 190 and 197 is 1.
GCF(190,197) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 190
2 | 190 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 190 are 2,5,19. Prime factorization of 190 in exponential form is:
190 = 21×51×191
Prime Factorization of 197
197 | 197 |
1 |
Prime factors of 197 are 197. Prime factorization of 197 in exponential form is:
197 = 1971
∴ So by taking common prime factors GCF of 190 and 197 is 1
Factors of 190
List of positive integer factors of 190 that divides 190 without a remainder.
1,2,5,10,19,38,95,190
Factors of 197
List of positive integer factors of 197 that divides 197 without a remainder.
1,197
Greatest Common Factor
We found the factors and prime factorization of 190 and 197. The biggest common factor number is the GCF number.
So the greatest common factor 190 and 197 is 1.
Also check out the Least Common Multiple of 190 and 197
(i) The GCF of 190 and 197 is associative
GCF of 190 and 197 = GCF of 197 and 190
1. What is the GCF of 190 and 197?
Answer: GCF of 190 and 197 is 1.
2. What are the Factors of 190?
Answer: Factors of 190 are 1, 2, 5, 10, 19, 38, 95, 190. There are 8 integers that are factors of 190. The greatest factor of 190 is 190.
3. What are the Factors of 197?
Answer: Factors of 197 are 1, 197. There are 2 integers that are factors of 197. The greatest factor of 197 is 197.
4. How to Find the GCF of 190 and 197?
Answer:
Greatest Common Factor of 190 and 197 = 1
Step 1: Find the prime factorization of 190
190 = 2 x 5 x 19
Step 2: Find the prime factorization of 197
197 = 197
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 190 and 197 is 1