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 19413, 19420 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 19413 and 19420 is 1.
GCF(19413,19420) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 19413
3 | 19413 |
3 | 6471 |
3 | 2157 |
719 | 719 |
1 |
Prime factors of 19413 are 3,719. Prime factorization of 19413 in exponential form is:
19413 = 33×7191
Prime Factorization of 19420
2 | 19420 |
2 | 9710 |
5 | 4855 |
971 | 971 |
1 |
Prime factors of 19420 are 2,5,971. Prime factorization of 19420 in exponential form is:
19420 = 22×51×9711
∴ So by taking common prime factors GCF of 19413 and 19420 is 1
Factors of 19413
List of positive integer factors of 19413 that divides 19413 without a remainder.
1,3,9,27,719,2157,6471,19413
Factors of 19420
List of positive integer factors of 19420 that divides 19420 without a remainder.
1,2,4,5,10,20,971,1942,3884,4855,9710,19420
Greatest Common Factor
We found the factors and prime factorization of 19413 and 19420. The biggest common factor number is the GCF number.
So the greatest common factor 19413 and 19420 is 1.
Also check out the Least Common Multiple of 19413 and 19420
(i) The GCF of 19413 and 19420 is associative
GCF of 19413 and 19420 = GCF of 19420 and 19413
1. What is the GCF of 19413 and 19420?
Answer: GCF of 19413 and 19420 is 1.
2. What are the Factors of 19413?
Answer: Factors of 19413 are 1, 3, 9, 27, 719, 2157, 6471, 19413. There are 8 integers that are factors of 19413. The greatest factor of 19413 is 19413.
3. What are the Factors of 19420?
Answer: Factors of 19420 are 1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420. There are 12 integers that are factors of 19420. The greatest factor of 19420 is 19420.
4. How to Find the GCF of 19413 and 19420?
Answer:
Greatest Common Factor of 19413 and 19420 = 1
Step 1: Find the prime factorization of 19413
19413 = 3 x 3 x 3 x 719
Step 2: Find the prime factorization of 19420
19420 = 2 x 2 x 5 x 971
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 19413 and 19420 is 1