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 1958, 1962 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1958 and 1962 is 2.
GCF(1958,1962) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1958
2 | 1958 |
11 | 979 |
89 | 89 |
1 |
Prime factors of 1958 are 2,11,89. Prime factorization of 1958 in exponential form is:
1958 = 21×111×891
Prime Factorization of 1962
2 | 1962 |
3 | 981 |
3 | 327 |
109 | 109 |
1 |
Prime factors of 1962 are 2,3,109. Prime factorization of 1962 in exponential form is:
1962 = 21×32×1091
∴ So by taking common prime factors GCF of 1958 and 1962 is 2
Factors of 1958
List of positive integer factors of 1958 that divides 1958 without a remainder.
1,2,11,22,89,178,979,1958
Factors of 1962
List of positive integer factors of 1962 that divides 1962 without a remainder.
1,2,3,6,9,18,109,218,327,654,981,1962
Greatest Common Factor
We found the factors and prime factorization of 1958 and 1962. The biggest common factor number is the GCF number.
So the greatest common factor 1958 and 1962 is 2.
Also check out the Least Common Multiple of 1958 and 1962
(i) The GCF of 1958 and 1962 is associative
GCF of 1958 and 1962 = GCF of 1962 and 1958
1. What is the GCF of 1958 and 1962?
Answer: GCF of 1958 and 1962 is 2.
2. What are the Factors of 1958?
Answer: Factors of 1958 are 1, 2, 11, 22, 89, 178, 979, 1958. There are 8 integers that are factors of 1958. The greatest factor of 1958 is 1958.
3. What are the Factors of 1962?
Answer: Factors of 1962 are 1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962. There are 12 integers that are factors of 1962. The greatest factor of 1962 is 1962.
4. How to Find the GCF of 1958 and 1962?
Answer:
Greatest Common Factor of 1958 and 1962 = 2
Step 1: Find the prime factorization of 1958
1958 = 2 x 11 x 89
Step 2: Find the prime factorization of 1962
1962 = 2 x 3 x 3 x 109
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 1958 and 1962 is 2