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 1770, 1778 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1770 and 1778 is 2.
GCF(1770,1778) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1770
2 | 1770 |
3 | 885 |
5 | 295 |
59 | 59 |
1 |
Prime factors of 1770 are 2,3,5,59. Prime factorization of 1770 in exponential form is:
1770 = 21×31×51×591
Prime Factorization of 1778
2 | 1778 |
7 | 889 |
127 | 127 |
1 |
Prime factors of 1778 are 2,7,127. Prime factorization of 1778 in exponential form is:
1778 = 21×71×1271
∴ So by taking common prime factors GCF of 1770 and 1778 is 2
Factors of 1770
List of positive integer factors of 1770 that divides 1770 without a remainder.
1,2,3,5,6,10,15,30,59,118,177,295,354,590,885,1770
Factors of 1778
List of positive integer factors of 1778 that divides 1778 without a remainder.
1,2,7,14,127,254,889,1778
Greatest Common Factor
We found the factors and prime factorization of 1770 and 1778. The biggest common factor number is the GCF number.
So the greatest common factor 1770 and 1778 is 2.
Also check out the Least Common Multiple of 1770 and 1778
(i) The GCF of 1770 and 1778 is associative
GCF of 1770 and 1778 = GCF of 1778 and 1770
1. What is the GCF of 1770 and 1778?
Answer: GCF of 1770 and 1778 is 2.
2. What are the Factors of 1770?
Answer: Factors of 1770 are 1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770. There are 16 integers that are factors of 1770. The greatest factor of 1770 is 1770.
3. What are the Factors of 1778?
Answer: Factors of 1778 are 1, 2, 7, 14, 127, 254, 889, 1778. There are 8 integers that are factors of 1778. The greatest factor of 1778 is 1778.
4. How to Find the GCF of 1770 and 1778?
Answer:
Greatest Common Factor of 1770 and 1778 = 2
Step 1: Find the prime factorization of 1770
1770 = 2 x 3 x 5 x 59
Step 2: Find the prime factorization of 1778
1778 = 2 x 7 x 127
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 1770 and 1778 is 2