What is the Greatest Common Factor of 90804 and 90820?

Greatest common factor (GCF) of 90804 and 90820 is 4.

GCF(90804,90820) = 4

We will now calculate the prime factors of 90804 and 90820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90804 and 90820.

How to find the GCF of 90804 and 90820?

We will first find the prime factorization of 90804 and 90820. After we will calculate the factors of 90804 and 90820 and find the biggest common factor number .

Step-1: Prime Factorization of 90804

Prime factors of 90804 are 2, 3, 7, 23, 47. Prime factorization of 90804 in exponential form is:

90804 = 2² × 3¹ × 7¹ × 23¹ × 47¹

Step-2: Prime Factorization of 90820

Prime factors of 90820 are 2, 5, 19, 239. Prime factorization of 90820 in exponential form is:

90820 = 2² × 5¹ × 19¹ × 239¹

Step-3: Factors of 90804

List of positive integer factors of 90804 that divides 90804 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 276, 282, 322, 329, 483, 564, 644, 658, 966, 987, 1081, 1316, 1932, 1974, 2162, 3243, 3948, 4324, 6486, 7567, 12972, 15134, 22701, 30268, 45402

Step-4: Factors of 90820

List of positive integer factors of 90820 that divides 90804 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 2390, 4541, 4780, 9082, 18164, 22705, 45410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90804 and 90820. The biggest common factor number is the GCF number.
So the greatest common factor 90804 and 90820 is 4.

Also check out the Least Common Multiple of 90804 and 90820