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 2128, 2130 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2128 and 2130 is 2.
GCF(2128,2130) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2128
2 | 2128 |
2 | 1064 |
2 | 532 |
2 | 266 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 2128 are 2,7,19. Prime factorization of 2128 in exponential form is:
2128 = 24×71×191
Prime Factorization of 2130
2 | 2130 |
3 | 1065 |
5 | 355 |
71 | 71 |
1 |
Prime factors of 2130 are 2,3,5,71. Prime factorization of 2130 in exponential form is:
2130 = 21×31×51×711
∴ So by taking common prime factors GCF of 2128 and 2130 is 2
Factors of 2128
List of positive integer factors of 2128 that divides 2128 without a remainder.
1,2,4,7,8,14,16,19,28,38,56,76,112,133,152,266,304,532,1064,2128
Factors of 2130
List of positive integer factors of 2130 that divides 2130 without a remainder.
1,2,3,5,6,10,15,30,71,142,213,355,426,710,1065,2130
Greatest Common Factor
We found the factors and prime factorization of 2128 and 2130. The biggest common factor number is the GCF number.
So the greatest common factor 2128 and 2130 is 2.
Also check out the Least Common Multiple of 2128 and 2130
(i) The GCF of 2128 and 2130 is associative
GCF of 2128 and 2130 = GCF of 2130 and 2128
1. What is the GCF of 2128 and 2130?
Answer: GCF of 2128 and 2130 is 2.
2. What are the Factors of 2128?
Answer: Factors of 2128 are 1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128. There are 20 integers that are factors of 2128. The greatest factor of 2128 is 2128.
3. What are the Factors of 2130?
Answer: Factors of 2130 are 1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130. There are 16 integers that are factors of 2130. The greatest factor of 2130 is 2130.
4. How to Find the GCF of 2128 and 2130?
Answer:
Greatest Common Factor of 2128 and 2130 = 2
Step 1: Find the prime factorization of 2128
2128 = 2 x 2 x 2 x 2 x 7 x 19
Step 2: Find the prime factorization of 2130
2130 = 2 x 3 x 5 x 71
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 2128 and 2130 is 2