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 1520, 1524 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1520 and 1524 is 4.
GCF(1520,1524) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1520
2 | 1520 |
2 | 760 |
2 | 380 |
2 | 190 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 1520 are 2,5,19. Prime factorization of 1520 in exponential form is:
1520 = 24×51×191
Prime Factorization of 1524
2 | 1524 |
2 | 762 |
3 | 381 |
127 | 127 |
1 |
Prime factors of 1524 are 2,3,127. Prime factorization of 1524 in exponential form is:
1524 = 22×31×1271
∴ So by taking common prime factors GCF of 1520 and 1524 is 4
Factors of 1520
List of positive integer factors of 1520 that divides 1520 without a remainder.
1,2,4,5,8,10,16,19,20,38,40,76,80,95,152,190,304,380,760,1520
Factors of 1524
List of positive integer factors of 1524 that divides 1524 without a remainder.
1,2,3,4,6,12,127,254,381,508,762,1524
Greatest Common Factor
We found the factors and prime factorization of 1520 and 1524. The biggest common factor number is the GCF number.
So the greatest common factor 1520 and 1524 is 4.
Also check out the Least Common Multiple of 1520 and 1524
(i) The GCF of 1520 and 1524 is associative
GCF of 1520 and 1524 = GCF of 1524 and 1520
1. What is the GCF of 1520 and 1524?
Answer: GCF of 1520 and 1524 is 4.
2. What are the Factors of 1520?
Answer: Factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520. There are 20 integers that are factors of 1520. The greatest factor of 1520 is 1520.
3. What are the Factors of 1524?
Answer: Factors of 1524 are 1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524. There are 12 integers that are factors of 1524. The greatest factor of 1524 is 1524.
4. How to Find the GCF of 1520 and 1524?
Answer:
Greatest Common Factor of 1520 and 1524 = 4
Step 1: Find the prime factorization of 1520
1520 = 2 x 2 x 2 x 2 x 5 x 19
Step 2: Find the prime factorization of 1524
1524 = 2 x 2 x 3 x 127
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 1520 and 1524 is 4