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 2100, 2105 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2100 and 2105 is 5.
GCF(2100,2105) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2100
2 | 2100 |
2 | 1050 |
3 | 525 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 2100 are 2,3,5,7. Prime factorization of 2100 in exponential form is:
2100 = 22×31×52×71
Prime Factorization of 2105
5 | 2105 |
421 | 421 |
1 |
Prime factors of 2105 are 5,421. Prime factorization of 2105 in exponential form is:
2105 = 51×4211
∴ So by taking common prime factors GCF of 2100 and 2105 is 5
Factors of 2100
List of positive integer factors of 2100 that divides 2100 without a remainder.
1,2,3,4,5,6,7,10,12,14,15,20,21,25,28,30,35,42,50,60,70,75,84,100,105,140,150,175,210,300,350,420,525,700,1050,2100
Factors of 2105
List of positive integer factors of 2105 that divides 2105 without a remainder.
1,5,421,2105
Greatest Common Factor
We found the factors and prime factorization of 2100 and 2105. The biggest common factor number is the GCF number.
So the greatest common factor 2100 and 2105 is 5.
Also check out the Least Common Multiple of 2100 and 2105
(i) The GCF of 2100 and 2105 is associative
GCF of 2100 and 2105 = GCF of 2105 and 2100
1. What is the GCF of 2100 and 2105?
Answer: GCF of 2100 and 2105 is 5.
2. What are the Factors of 2100?
Answer: Factors of 2100 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100. There are 36 integers that are factors of 2100. The greatest factor of 2100 is 2100.
3. What are the Factors of 2105?
Answer: Factors of 2105 are 1, 5, 421, 2105. There are 4 integers that are factors of 2105. The greatest factor of 2105 is 2105.
4. How to Find the GCF of 2100 and 2105?
Answer:
Greatest Common Factor of 2100 and 2105 = 5
Step 1: Find the prime factorization of 2100
2100 = 2 x 2 x 3 x 5 x 5 x 7
Step 2: Find the prime factorization of 2105
2105 = 5 x 421
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 2100 and 2105 is 5