What is the Greatest Common Factor of 61985 and 62000?

Greatest common factor (GCF) of 61985 and 62000 is 5.

GCF(61985,62000) = 5

We will now calculate the prime factors of 61985 and 62000, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61985 and 62000.

How to find the GCF of 61985 and 62000?

We will first find the prime factorization of 61985 and 62000. After we will calculate the factors of 61985 and 62000 and find the biggest common factor number .

Step-1: Prime Factorization of 61985

Prime factors of 61985 are 5, 7, 11, 23. Prime factorization of 61985 in exponential form is:

61985 = 5¹ × 7² × 11¹ × 23¹

Step-2: Prime Factorization of 62000

Prime factors of 62000 are 2, 5, 31. Prime factorization of 62000 in exponential form is:

62000 = 2⁴ × 5³ × 31¹

Step-3: Factors of 61985

List of positive integer factors of 61985 that divides 61985 without a remainder.

1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 539, 805, 1127, 1265, 1771, 2695, 5635, 8855, 12397

Step-4: Factors of 62000

List of positive integer factors of 62000 that divides 61985 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3875, 6200, 7750, 12400, 15500, 31000

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61985 and 62000. The biggest common factor number is the GCF number.
So the greatest common factor 61985 and 62000 is 5.

Also check out the Least Common Multiple of 61985 and 62000