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 1200, 1203 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1200 and 1203 is 3.
GCF(1200,1203) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1200
2 | 1200 |
2 | 600 |
2 | 300 |
2 | 150 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1200 are 2,3,5. Prime factorization of 1200 in exponential form is:
1200 = 24×31×52
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
∴ So by taking common prime factors GCF of 1200 and 1203 is 3
Factors of 1200
List of positive integer factors of 1200 that divides 1200 without a remainder.
1,2,3,4,5,6,8,10,12,15,16,20,24,25,30,40,48,50,60,75,80,100,120,150,200,240,300,400,600,1200
Factors of 1203
List of positive integer factors of 1203 that divides 1203 without a remainder.
1,3,401,1203
Greatest Common Factor
We found the factors and prime factorization of 1200 and 1203. The biggest common factor number is the GCF number.
So the greatest common factor 1200 and 1203 is 3.
Also check out the Least Common Multiple of 1200 and 1203
(i) The GCF of 1200 and 1203 is associative
GCF of 1200 and 1203 = GCF of 1203 and 1200
1. What is the GCF of 1200 and 1203?
Answer: GCF of 1200 and 1203 is 3.
2. What are the Factors of 1200?
Answer: Factors of 1200 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200. There are 30 integers that are factors of 1200. The greatest factor of 1200 is 1200.
3. 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.
4. How to Find the GCF of 1200 and 1203?
Answer:
Greatest Common Factor of 1200 and 1203 = 3
Step 1: Find the prime factorization of 1200
1200 = 2 x 2 x 2 x 2 x 3 x 5 x 5
Step 2: Find the prime factorization of 1203
1203 = 3 x 401
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 1200 and 1203 is 3