What is the Greatest Common Factor of 20520 and 20532?
Greatest common factor (GCF) of 20520 and 20532 is 12.
GCF(20520,20532) = 12
We will now calculate the prime factors of 20520 and 20532, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20520 and 20532.
How to find the GCF of 20520 and 20532?
We will first find the prime factorization of 20520 and 20532. After we will calculate the factors of 20520 and 20532 and find the biggest common factor number .
Step-1: Prime Factorization of 20520
Prime factors of 20520 are 2, 3, 5, 19. Prime factorization of 20520 in exponential form is:
20520 = 23 × 33 × 51 × 191
Step-2: Prime Factorization of 20532
Prime factors of 20532 are 2, 3, 29, 59. Prime factorization of 20532 in exponential form is:
20532 = 22 × 31 × 291 × 591
Step-3: Factors of 20520
List of positive integer factors of 20520 that divides 20520 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260
Step-4: Factors of 20532
List of positive integer factors of 20532 that divides 20520 without a remainder.
1, 2, 3, 4, 6, 12, 29, 58, 59, 87, 116, 118, 174, 177, 236, 348, 354, 708, 1711, 3422, 5133, 6844, 10266
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 20520 and 20532. The biggest common factor number is the GCF number.
So the greatest common factor 20520 and 20532 is 12.
Also check out the Least Common Multiple of 20520 and 20532
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