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 1634, 1640 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1634 and 1640 is 2.
GCF(1634,1640) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1634
2 | 1634 |
19 | 817 |
43 | 43 |
1 |
Prime factors of 1634 are 2,19,43. Prime factorization of 1634 in exponential form is:
1634 = 21×191×431
Prime Factorization of 1640
2 | 1640 |
2 | 820 |
2 | 410 |
5 | 205 |
41 | 41 |
1 |
Prime factors of 1640 are 2,5,41. Prime factorization of 1640 in exponential form is:
1640 = 23×51×411
∴ So by taking common prime factors GCF of 1634 and 1640 is 2
Factors of 1634
List of positive integer factors of 1634 that divides 1634 without a remainder.
1,2,19,38,43,86,817,1634
Factors of 1640
List of positive integer factors of 1640 that divides 1640 without a remainder.
1,2,4,5,8,10,20,40,41,82,164,205,328,410,820,1640
Greatest Common Factor
We found the factors and prime factorization of 1634 and 1640. The biggest common factor number is the GCF number.
So the greatest common factor 1634 and 1640 is 2.
Also check out the Least Common Multiple of 1634 and 1640
(i) The GCF of 1634 and 1640 is associative
GCF of 1634 and 1640 = GCF of 1640 and 1634
1. What is the GCF of 1634 and 1640?
Answer: GCF of 1634 and 1640 is 2.
2. What are the Factors of 1634?
Answer: Factors of 1634 are 1, 2, 19, 38, 43, 86, 817, 1634. There are 8 integers that are factors of 1634. The greatest factor of 1634 is 1634.
3. What are the Factors of 1640?
Answer: Factors of 1640 are 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640. There are 16 integers that are factors of 1640. The greatest factor of 1640 is 1640.
4. How to Find the GCF of 1634 and 1640?
Answer:
Greatest Common Factor of 1634 and 1640 = 2
Step 1: Find the prime factorization of 1634
1634 = 2 x 19 x 43
Step 2: Find the prime factorization of 1640
1640 = 2 x 2 x 2 x 5 x 41
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 1634 and 1640 is 2