What is the Greatest Common Factor of 9780 and 9784?
Greatest common factor (GCF) of 9780 and 9784 is 4.
GCF(9780,9784) = 4
We will now calculate the prime factors of 9780 and 9784, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9780 and 9784.
How to find the GCF of 9780 and 9784?
We will first find the prime factorization of 9780 and 9784. After we will calculate the factors of 9780 and 9784 and find the biggest common factor number .
Step-1: Prime Factorization of 9780
Prime factors of 9780 are 2, 3, 5, 163. Prime factorization of 9780 in exponential form is:
9780 = 22 × 31 × 51 × 1631
Step-2: Prime Factorization of 9784
Prime factors of 9784 are 2, 1223. Prime factorization of 9784 in exponential form is:
9784 = 23 × 12231
Step-3: Factors of 9780
List of positive integer factors of 9780 that divides 9780 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890
Step-4: Factors of 9784
List of positive integer factors of 9784 that divides 9780 without a remainder.
1, 2, 4, 8, 1223, 2446, 4892
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 9780 and 9784. The biggest common factor number is the GCF number.
So the greatest common factor 9780 and 9784 is 4.
Also check out the Least Common Multiple of 9780 and 9784
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