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 624, 630 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 624 and 630 is 6.
GCF(624,630) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 624
2 | 624 |
2 | 312 |
2 | 156 |
2 | 78 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 624 are 2,3,13. Prime factorization of 624 in exponential form is:
624 = 24×31×131
Prime Factorization of 630
2 | 630 |
3 | 315 |
3 | 105 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 630 are 2,3,5,7. Prime factorization of 630 in exponential form is:
630 = 21×32×51×71
∴ So by taking common prime factors GCF of 624 and 630 is 6
Factors of 624
List of positive integer factors of 624 that divides 624 without a remainder.
1,2,3,4,6,8,12,13,16,24,26,39,48,52,78,104,156,208,312,624
Factors of 630
List of positive integer factors of 630 that divides 630 without a remainder.
1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630
Greatest Common Factor
We found the factors and prime factorization of 624 and 630. The biggest common factor number is the GCF number.
So the greatest common factor 624 and 630 is 6.
Also check out the Least Common Multiple of 624 and 630
(i) The GCF of 624 and 630 is associative
GCF of 624 and 630 = GCF of 630 and 624
1. What is the GCF of 624 and 630?
Answer: GCF of 624 and 630 is 6.
2. What are the Factors of 624?
Answer: Factors of 624 are 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624. There are 20 integers that are factors of 624. The greatest factor of 624 is 624.
3. What are the Factors of 630?
Answer: Factors of 630 are 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630. There are 24 integers that are factors of 630. The greatest factor of 630 is 630.
4. How to Find the GCF of 624 and 630?
Answer:
Greatest Common Factor of 624 and 630 = 6
Step 1: Find the prime factorization of 624
624 = 2 x 2 x 2 x 2 x 3 x 13
Step 2: Find the prime factorization of 630
630 = 2 x 3 x 3 x 5 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 624 and 630 is 6