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 3720, 3728 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3720 and 3728 is 8.
GCF(3720,3728) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3720
2 | 3720 |
2 | 1860 |
2 | 930 |
3 | 465 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 3720 are 2,3,5,31. Prime factorization of 3720 in exponential form is:
3720 = 23×31×51×311
Prime Factorization of 3728
2 | 3728 |
2 | 1864 |
2 | 932 |
2 | 466 |
233 | 233 |
1 |
Prime factors of 3728 are 2,233. Prime factorization of 3728 in exponential form is:
3728 = 24×2331
∴ So by taking common prime factors GCF of 3720 and 3728 is 8
Factors of 3720
List of positive integer factors of 3720 that divides 3720 without a remainder.
1,2,3,4,5,6,8,10,12,15,20,24,30,31,40,60,62,93,120,124,155,186,248,310,372,465,620,744,930,1240,1860,3720
Factors of 3728
List of positive integer factors of 3728 that divides 3728 without a remainder.
1,2,4,8,16,233,466,932,1864,3728
Greatest Common Factor
We found the factors and prime factorization of 3720 and 3728. The biggest common factor number is the GCF number.
So the greatest common factor 3720 and 3728 is 8.
Also check out the Least Common Multiple of 3720 and 3728
(i) The GCF of 3720 and 3728 is associative
GCF of 3720 and 3728 = GCF of 3728 and 3720
1. What is the GCF of 3720 and 3728?
Answer: GCF of 3720 and 3728 is 8.
2. What are the Factors of 3720?
Answer: Factors of 3720 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720. There are 32 integers that are factors of 3720. The greatest factor of 3720 is 3720.
3. What are the Factors of 3728?
Answer: Factors of 3728 are 1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728. There are 10 integers that are factors of 3728. The greatest factor of 3728 is 3728.
4. How to Find the GCF of 3720 and 3728?
Answer:
Greatest Common Factor of 3720 and 3728 = 8
Step 1: Find the prime factorization of 3720
3720 = 2 x 2 x 2 x 3 x 5 x 31
Step 2: Find the prime factorization of 3728
3728 = 2 x 2 x 2 x 2 x 233
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 3720 and 3728 is 8