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 1213, 1215 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1213 and 1215 is 1.
GCF(1213,1215) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1213
1213 | 1213 |
1 |
Prime factors of 1213 are 1213. Prime factorization of 1213 in exponential form is:
1213 = 12131
Prime Factorization of 1215
3 | 1215 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 1215 are 3.Prime factorization of 1215 in exponential form is:
1215 = 35×51
∴ So by taking common prime factors GCF of 1213 and 1215 is 1
Factors of 1213
List of positive integer factors of 1213 that divides 1213 without a remainder.
1,1213
Factors of 1215
List of positive integer factors of 1215 that divides 1215 without a remainder.
1,3,5,9,15,27,45,81,135,243,405,1215
Greatest Common Factor
We found the factors and prime factorization of 1213 and 1215. The biggest common factor number is the GCF number.
So the greatest common factor 1213 and 1215 is 1.
Also check out the Least Common Multiple of 1213 and 1215
(i) The GCF of 1213 and 1215 is associative
GCF of 1213 and 1215 = GCF of 1215 and 1213
1. What is the GCF of 1213 and 1215?
Answer: GCF of 1213 and 1215 is 1.
2. What are the Factors of 1213?
Answer: Factors of 1213 are 1, 1213. There are 2 integers that are factors of 1213. The greatest factor of 1213 is 1213.
3. What are the Factors of 1215?
Answer: Factors of 1215 are 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215. There are 12 integers that are factors of 1215. The greatest factor of 1215 is 1215.
4. How to Find the GCF of 1213 and 1215?
Answer:
Greatest Common Factor of 1213 and 1215 = 1
Step 1: Find the prime factorization of 1213
1213 = 1213
Step 2: Find the prime factorization of 1215
1215 = 3 x 3 x 3 x 3 x 3 x 5
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 1213 and 1215 is 1