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 1969, 1970 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1969 and 1970 is 1.
GCF(1969,1970) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1969
11 | 1969 |
179 | 179 |
1 |
Prime factors of 1969 are 11,179. Prime factorization of 1969 in exponential form is:
1969 = 111×1791
Prime Factorization of 1970
2 | 1970 |
5 | 985 |
197 | 197 |
1 |
Prime factors of 1970 are 2,5,197. Prime factorization of 1970 in exponential form is:
1970 = 21×51×1971
∴ So by taking common prime factors GCF of 1969 and 1970 is 1
Factors of 1969
List of positive integer factors of 1969 that divides 1969 without a remainder.
1,11,179,1969
Factors of 1970
List of positive integer factors of 1970 that divides 1970 without a remainder.
1,2,5,10,197,394,985,1970
Greatest Common Factor
We found the factors and prime factorization of 1969 and 1970. The biggest common factor number is the GCF number.
So the greatest common factor 1969 and 1970 is 1.
Also check out the Least Common Multiple of 1969 and 1970
(i) The GCF of 1969 and 1970 is associative
GCF of 1969 and 1970 = GCF of 1970 and 1969
1. What is the GCF of 1969 and 1970?
Answer: GCF of 1969 and 1970 is 1.
2. What are the Factors of 1969?
Answer: Factors of 1969 are 1, 11, 179, 1969. There are 4 integers that are factors of 1969. The greatest factor of 1969 is 1969.
3. What are the Factors of 1970?
Answer: Factors of 1970 are 1, 2, 5, 10, 197, 394, 985, 1970. There are 8 integers that are factors of 1970. The greatest factor of 1970 is 1970.
4. How to Find the GCF of 1969 and 1970?
Answer:
Greatest Common Factor of 1969 and 1970 = 1
Step 1: Find the prime factorization of 1969
1969 = 11 x 179
Step 2: Find the prime factorization of 1970
1970 = 2 x 5 x 197
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1969 and 1970 is 1