What is the Greatest Common Factor of 70972 and 70992?

Greatest common factor (GCF) of 70972 and 70992 is 4.

GCF(70972,70992) = 4

We will now calculate the prime factors of 70972 and 70992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70972 and 70992.

How to find the GCF of 70972 and 70992?

We will first find the prime factorization of 70972 and 70992. After we will calculate the factors of 70972 and 70992 and find the biggest common factor number .

Step-1: Prime Factorization of 70972

Prime factors of 70972 are 2, 11, 1613. Prime factorization of 70972 in exponential form is:

70972 = 2² × 11¹ × 1613¹

Step-2: Prime Factorization of 70992

Prime factors of 70992 are 2, 3, 17, 29. Prime factorization of 70992 in exponential form is:

70992 = 2⁴ × 3² × 17¹ × 29¹

Step-3: Factors of 70972

List of positive integer factors of 70972 that divides 70972 without a remainder.

1, 2, 4, 11, 22, 44, 1613, 3226, 6452, 17743, 35486

Step-4: Factors of 70992

List of positive integer factors of 70992 that divides 70972 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 48, 51, 58, 68, 72, 87, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 306, 348, 408, 464, 493, 522, 612, 696, 816, 986, 1044, 1224, 1392, 1479, 1972, 2088, 2448, 2958, 3944, 4176, 4437, 5916, 7888, 8874, 11832, 17748, 23664, 35496

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70972 and 70992. The biggest common factor number is the GCF number.
So the greatest common factor 70972 and 70992 is 4.

Also check out the Least Common Multiple of 70972 and 70992