GCF and LCM Calculator Logo

What is the Greatest Common Factor of 40223 and 40242?

Greatest common factor (GCF) of 40223 and 40242 is 19.

GCF(40223,40242) = 19

We will now calculate the prime factors of 40223 and 40242, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40223 and 40242.

GCF Calculator and
and

How to find the GCF of 40223 and 40242?

We will first find the prime factorization of 40223 and 40242. After we will calculate the factors of 40223 and 40242 and find the biggest common factor number .

Step-1: Prime Factorization of 40223

Prime factors of 40223 are 19, 29, 73. Prime factorization of 40223 in exponential form is:

40223 = 191 × 291 × 731

Step-2: Prime Factorization of 40242

Prime factors of 40242 are 2, 3, 19, 353. Prime factorization of 40242 in exponential form is:

40242 = 21 × 31 × 191 × 3531

Step-3: Factors of 40223

List of positive integer factors of 40223 that divides 40223 without a remainder.

1, 19, 29, 73, 551, 1387, 2117

Step-4: Factors of 40242

List of positive integer factors of 40242 that divides 40223 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 353, 706, 1059, 2118, 6707, 13414, 20121

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40223 and 40242. The biggest common factor number is the GCF number.
So the greatest common factor 40223 and 40242 is 19.

Also check out the Least Common Multiple of 40223 and 40242