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 1953, 1960 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1953 and 1960 is 7.
GCF(1953,1960) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1953
3 | 1953 |
3 | 651 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 1953 are 3,7,31. Prime factorization of 1953 in exponential form is:
1953 = 32×71×311
Prime Factorization of 1960
2 | 1960 |
2 | 980 |
2 | 490 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1960 are 2,5,7. Prime factorization of 1960 in exponential form is:
1960 = 23×51×72
∴ So by taking common prime factors GCF of 1953 and 1960 is 7
Factors of 1953
List of positive integer factors of 1953 that divides 1953 without a remainder.
1,3,7,9,21,31,63,93,217,279,651,1953
Factors of 1960
List of positive integer factors of 1960 that divides 1960 without a remainder.
1,2,4,5,7,8,10,14,20,28,35,40,49,56,70,98,140,196,245,280,392,490,980,1960
Greatest Common Factor
We found the factors and prime factorization of 1953 and 1960. The biggest common factor number is the GCF number.
So the greatest common factor 1953 and 1960 is 7.
Also check out the Least Common Multiple of 1953 and 1960
(i) The GCF of 1953 and 1960 is associative
GCF of 1953 and 1960 = GCF of 1960 and 1953
1. What is the GCF of 1953 and 1960?
Answer: GCF of 1953 and 1960 is 7.
2. What are the Factors of 1953?
Answer: Factors of 1953 are 1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953. There are 12 integers that are factors of 1953. The greatest factor of 1953 is 1953.
3. What are the Factors of 1960?
Answer: Factors of 1960 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960. There are 24 integers that are factors of 1960. The greatest factor of 1960 is 1960.
4. How to Find the GCF of 1953 and 1960?
Answer:
Greatest Common Factor of 1953 and 1960 = 7
Step 1: Find the prime factorization of 1953
1953 = 3 x 3 x 7 x 31
Step 2: Find the prime factorization of 1960
1960 = 2 x 2 x 2 x 5 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 = 7
Step 4: Therefore, the greatest common factor of 1953 and 1960 is 7