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 7215, 7223 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7215 and 7223 is 1.
GCF(7215,7223) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7215
3 | 7215 |
5 | 2405 |
13 | 481 |
37 | 37 |
1 |
Prime factors of 7215 are 3,5,13,37. Prime factorization of 7215 in exponential form is:
7215 = 31×51×131×371
Prime Factorization of 7223
31 | 7223 |
233 | 233 |
1 |
Prime factors of 7223 are 31,233. Prime factorization of 7223 in exponential form is:
7223 = 311×2331
∴ So by taking common prime factors GCF of 7215 and 7223 is 1
Factors of 7215
List of positive integer factors of 7215 that divides 7215 without a remainder.
1,3,5,13,15,37,39,65,111,185,195,481,555,1443,2405,7215
Factors of 7223
List of positive integer factors of 7223 that divides 7223 without a remainder.
1,31,233,7223
Greatest Common Factor
We found the factors and prime factorization of 7215 and 7223. The biggest common factor number is the GCF number.
So the greatest common factor 7215 and 7223 is 1.
Also check out the Least Common Multiple of 7215 and 7223
(i) The GCF of 7215 and 7223 is associative
GCF of 7215 and 7223 = GCF of 7223 and 7215
1. What is the GCF of 7215 and 7223?
Answer: GCF of 7215 and 7223 is 1.
2. What are the Factors of 7215?
Answer: Factors of 7215 are 1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215. There are 16 integers that are factors of 7215. The greatest factor of 7215 is 7215.
3. What are the Factors of 7223?
Answer: Factors of 7223 are 1, 31, 233, 7223. There are 4 integers that are factors of 7223. The greatest factor of 7223 is 7223.
4. How to Find the GCF of 7215 and 7223?
Answer:
Greatest Common Factor of 7215 and 7223 = 1
Step 1: Find the prime factorization of 7215
7215 = 3 x 5 x 13 x 37
Step 2: Find the prime factorization of 7223
7223 = 31 x 233
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 7215 and 7223 is 1