What is the Greatest Common Factor of 69720 and 69735?

Greatest common factor (GCF) of 69720 and 69735 is 15.

GCF(69720,69735) = 15

We will now calculate the prime factors of 69720 and 69735, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69720 and 69735.

How to find the GCF of 69720 and 69735?

We will first find the prime factorization of 69720 and 69735. After we will calculate the factors of 69720 and 69735 and find the biggest common factor number .

Step-1: Prime Factorization of 69720

Prime factors of 69720 are 2, 3, 5, 7, 83. Prime factorization of 69720 in exponential form is:

69720 = 2³ × 3¹ × 5¹ × 7¹ × 83¹

Step-2: Prime Factorization of 69735

Prime factors of 69735 are 3, 5, 4649. Prime factorization of 69735 in exponential form is:

69735 = 3¹ × 5¹ × 4649¹

Step-3: Factors of 69720

List of positive integer factors of 69720 that divides 69720 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 4648, 4980, 5810, 6972, 8715, 9960, 11620, 13944, 17430, 23240, 34860

Step-4: Factors of 69735

List of positive integer factors of 69735 that divides 69720 without a remainder.

1, 3, 5, 15, 4649, 13947, 23245

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69720 and 69735. The biggest common factor number is the GCF number.
So the greatest common factor 69720 and 69735 is 15.

Also check out the Least Common Multiple of 69720 and 69735