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 1203, 1206 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1203 and 1206 is 3.
GCF(1203,1206) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1203
3 | 1203 |
401 | 401 |
1 |
Prime factors of 1203 are 3,401. Prime factorization of 1203 in exponential form is:
1203 = 31×4011
Prime Factorization of 1206
2 | 1206 |
3 | 603 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 1206 are 2,3,67. Prime factorization of 1206 in exponential form is:
1206 = 21×32×671
∴ So by taking common prime factors GCF of 1203 and 1206 is 3
Factors of 1203
List of positive integer factors of 1203 that divides 1203 without a remainder.
1,3,401,1203
Factors of 1206
List of positive integer factors of 1206 that divides 1206 without a remainder.
1,2,3,6,9,18,67,134,201,402,603,1206
Greatest Common Factor
We found the factors and prime factorization of 1203 and 1206. The biggest common factor number is the GCF number.
So the greatest common factor 1203 and 1206 is 3.
Also check out the Least Common Multiple of 1203 and 1206
(i) The GCF of 1203 and 1206 is associative
GCF of 1203 and 1206 = GCF of 1206 and 1203
1. What is the GCF of 1203 and 1206?
Answer: GCF of 1203 and 1206 is 3.
2. What are the Factors of 1203?
Answer: Factors of 1203 are 1, 3, 401, 1203. There are 4 integers that are factors of 1203. The greatest factor of 1203 is 1203.
3. What are the Factors of 1206?
Answer: Factors of 1206 are 1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206. There are 12 integers that are factors of 1206. The greatest factor of 1206 is 1206.
4. How to Find the GCF of 1203 and 1206?
Answer:
Greatest Common Factor of 1203 and 1206 = 3
Step 1: Find the prime factorization of 1203
1203 = 3 x 401
Step 2: Find the prime factorization of 1206
1206 = 2 x 3 x 3 x 67
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1203 and 1206 is 3