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 1728, 1731 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1728 and 1731 is 3.
GCF(1728,1731) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1728
2 | 1728 |
2 | 864 |
2 | 432 |
2 | 216 |
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 1728 are 2,3. Prime factorization of 1728 in exponential form is:
1728 = 26×33
Prime Factorization of 1731
3 | 1731 |
577 | 577 |
1 |
Prime factors of 1731 are 3,577. Prime factorization of 1731 in exponential form is:
1731 = 31×5771
∴ So by taking common prime factors GCF of 1728 and 1731 is 3
Factors of 1728
List of positive integer factors of 1728 that divides 1728 without a remainder.
1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,64,72,96,108,144,192,216,288,432,576,864,1728
Factors of 1731
List of positive integer factors of 1731 that divides 1731 without a remainder.
1,3,577,1731
Greatest Common Factor
We found the factors and prime factorization of 1728 and 1731. The biggest common factor number is the GCF number.
So the greatest common factor 1728 and 1731 is 3.
Also check out the Least Common Multiple of 1728 and 1731
(i) The GCF of 1728 and 1731 is associative
GCF of 1728 and 1731 = GCF of 1731 and 1728
1. What is the GCF of 1728 and 1731?
Answer: GCF of 1728 and 1731 is 3.
2. What are the Factors of 1728?
Answer: Factors of 1728 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728. There are 28 integers that are factors of 1728. The greatest factor of 1728 is 1728.
3. What are the Factors of 1731?
Answer: Factors of 1731 are 1, 3, 577, 1731. There are 4 integers that are factors of 1731. The greatest factor of 1731 is 1731.
4. How to Find the GCF of 1728 and 1731?
Answer:
Greatest Common Factor of 1728 and 1731 = 3
Step 1: Find the prime factorization of 1728
1728 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3
Step 2: Find the prime factorization of 1731
1731 = 3 x 577
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1728 and 1731 is 3