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 1562, 1568 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1562 and 1568 is 2.
GCF(1562,1568) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1562
2 | 1562 |
11 | 781 |
71 | 71 |
1 |
Prime factors of 1562 are 2,11,71. Prime factorization of 1562 in exponential form is:
1562 = 21×111×711
Prime Factorization of 1568
2 | 1568 |
2 | 784 |
2 | 392 |
2 | 196 |
2 | 98 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1568 are 2,7. Prime factorization of 1568 in exponential form is:
1568 = 25×72
∴ So by taking common prime factors GCF of 1562 and 1568 is 2
Factors of 1562
List of positive integer factors of 1562 that divides 1562 without a remainder.
1,2,11,22,71,142,781,1562
Factors of 1568
List of positive integer factors of 1568 that divides 1568 without a remainder.
1,2,4,7,8,14,16,28,32,49,56,98,112,196,224,392,784,1568
Greatest Common Factor
We found the factors and prime factorization of 1562 and 1568. The biggest common factor number is the GCF number.
So the greatest common factor 1562 and 1568 is 2.
Also check out the Least Common Multiple of 1562 and 1568
(i) The GCF of 1562 and 1568 is associative
GCF of 1562 and 1568 = GCF of 1568 and 1562
1. What is the GCF of 1562 and 1568?
Answer: GCF of 1562 and 1568 is 2.
2. What are the Factors of 1562?
Answer: Factors of 1562 are 1, 2, 11, 22, 71, 142, 781, 1562. There are 8 integers that are factors of 1562. The greatest factor of 1562 is 1562.
3. What are the Factors of 1568?
Answer: Factors of 1568 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568. There are 18 integers that are factors of 1568. The greatest factor of 1568 is 1568.
4. How to Find the GCF of 1562 and 1568?
Answer:
Greatest Common Factor of 1562 and 1568 = 2
Step 1: Find the prime factorization of 1562
1562 = 2 x 11 x 71
Step 2: Find the prime factorization of 1568
1568 = 2 x 2 x 2 x 2 x 2 x 7 x 7
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 1562 and 1568 is 2