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 39215, 39220 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 39215 and 39220 is 5.
GCF(39215,39220) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 39215
5 | 39215 |
11 | 7843 |
23 | 713 |
31 | 31 |
1 |
Prime factors of 39215 are 5,11,23,31. Prime factorization of 39215 in exponential form is:
39215 = 51×111×231×311
Prime Factorization of 39220
2 | 39220 |
2 | 19610 |
5 | 9805 |
37 | 1961 |
53 | 53 |
1 |
Prime factors of 39220 are 2,5,37,53. Prime factorization of 39220 in exponential form is:
39220 = 22×51×371×531
∴ So by taking common prime factors GCF of 39215 and 39220 is 5
Factors of 39215
List of positive integer factors of 39215 that divides 39215 without a remainder.
1,5,11,23,31,55,115,155,253,341,713,1265,1705,3565,7843,39215
Factors of 39220
List of positive integer factors of 39220 that divides 39220 without a remainder.
1,2,4,5,10,20,37,53,74,106,148,185,212,265,370,530,740,1060,1961,3922,7844,9805,19610,39220
Greatest Common Factor
We found the factors and prime factorization of 39215 and 39220. The biggest common factor number is the GCF number.
So the greatest common factor 39215 and 39220 is 5.
Also check out the Least Common Multiple of 39215 and 39220
(i) The GCF of 39215 and 39220 is associative
GCF of 39215 and 39220 = GCF of 39220 and 39215
1. What is the GCF of 39215 and 39220?
Answer: GCF of 39215 and 39220 is 5.
2. What are the Factors of 39215?
Answer: Factors of 39215 are 1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 713, 1265, 1705, 3565, 7843, 39215. There are 16 integers that are factors of 39215. The greatest factor of 39215 is 39215.
3. What are the Factors of 39220?
Answer: Factors of 39220 are 1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 39220. There are 24 integers that are factors of 39220. The greatest factor of 39220 is 39220.
4. How to Find the GCF of 39215 and 39220?
Answer:
Greatest Common Factor of 39215 and 39220 = 5
Step 1: Find the prime factorization of 39215
39215 = 5 x 11 x 23 x 31
Step 2: Find the prime factorization of 39220
39220 = 2 x 2 x 5 x 37 x 53
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 39215 and 39220 is 5