What is the Greatest Common Factor of 28035 and 28042?

Greatest common factor (GCF) of 28035 and 28042 is 7.

GCF(28035,28042) = 7

We will now calculate the prime factors of 28035 and 28042, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28035 and 28042.

How to find the GCF of 28035 and 28042?

We will first find the prime factorization of 28035 and 28042. After we will calculate the factors of 28035 and 28042 and find the biggest common factor number .

Step-1: Prime Factorization of 28035

Prime factors of 28035 are 3, 5, 7, 89. Prime factorization of 28035 in exponential form is:

28035 = 3² × 5¹ × 7¹ × 89¹

Step-2: Prime Factorization of 28042

Prime factors of 28042 are 2, 7, 2003. Prime factorization of 28042 in exponential form is:

28042 = 2¹ × 7¹ × 2003¹

Step-3: Factors of 28035

List of positive integer factors of 28035 that divides 28035 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 801, 1335, 1869, 3115, 4005, 5607, 9345

Step-4: Factors of 28042

List of positive integer factors of 28042 that divides 28035 without a remainder.

1, 2, 7, 14, 2003, 4006, 14021

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28035 and 28042. The biggest common factor number is the GCF number.
So the greatest common factor 28035 and 28042 is 7.

Also check out the Least Common Multiple of 28035 and 28042