What is the Greatest Common Factor of 1080 and 1098?
Greatest common factor (GCF) of 1080 and 1098 is 18.
GCF(1080,1098) = 18
We will now calculate the prime factors of 1080 and 1098, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1080 and 1098.
How to find the GCF of 1080 and 1098?
We will first find the prime factorization of 1080 and 1098. After we will calculate the factors of 1080 and 1098 and find the biggest common factor number .
Step-1: Prime Factorization of 1080
Prime factors of 1080 are 2, 3, 5. Prime factorization of 1080 in exponential form is:
1080 = 23 × 33 × 51
Step-2: Prime Factorization of 1098
Prime factors of 1098 are 2, 3, 61. Prime factorization of 1098 in exponential form is:
1098 = 21 × 32 × 611
Step-3: Factors of 1080
List of positive integer factors of 1080 that divides 1080 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540
Step-4: Factors of 1098
List of positive integer factors of 1098 that divides 1080 without a remainder.
1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 1080 and 1098. The biggest common factor number is the GCF number.
So the greatest common factor 1080 and 1098 is 18.
Also check out the Least Common Multiple of 1080 and 1098
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