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 4215, 4220 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 4215 and 4220 is 5.
GCF(4215,4220) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 4215
3 | 4215 |
5 | 1405 |
281 | 281 |
1 |
Prime factors of 4215 are 3,5,281. Prime factorization of 4215 in exponential form is:
4215 = 31×51×2811
Prime Factorization of 4220
2 | 4220 |
2 | 2110 |
5 | 1055 |
211 | 211 |
1 |
Prime factors of 4220 are 2,5,211. Prime factorization of 4220 in exponential form is:
4220 = 22×51×2111
∴ So by taking common prime factors GCF of 4215 and 4220 is 5
Factors of 4215
List of positive integer factors of 4215 that divides 4215 without a remainder.
1,3,5,15,281,843,1405,4215
Factors of 4220
List of positive integer factors of 4220 that divides 4220 without a remainder.
1,2,4,5,10,20,211,422,844,1055,2110,4220
Greatest Common Factor
We found the factors and prime factorization of 4215 and 4220. The biggest common factor number is the GCF number.
So the greatest common factor 4215 and 4220 is 5.
Also check out the Least Common Multiple of 4215 and 4220
(i) The GCF of 4215 and 4220 is associative
GCF of 4215 and 4220 = GCF of 4220 and 4215
1. What is the GCF of 4215 and 4220?
Answer: GCF of 4215 and 4220 is 5.
2. What are the Factors of 4215?
Answer: Factors of 4215 are 1, 3, 5, 15, 281, 843, 1405, 4215. There are 8 integers that are factors of 4215. The greatest factor of 4215 is 4215.
3. What are the Factors of 4220?
Answer: Factors of 4220 are 1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220. There are 12 integers that are factors of 4220. The greatest factor of 4220 is 4220.
4. How to Find the GCF of 4215 and 4220?
Answer:
Greatest Common Factor of 4215 and 4220 = 5
Step 1: Find the prime factorization of 4215
4215 = 3 x 5 x 281
Step 2: Find the prime factorization of 4220
4220 = 2 x 2 x 5 x 211
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 4215 and 4220 is 5