GCF and LCM Calculator Logo

What is the Least Common Multiple of 31222 and 31242?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 31222 and 31242 is 487718862.

LCM(31222,31242) = 487718862

LCM Calculator and
and

Least Common Multiple of 31222 and 31242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31222 and 31242, than apply into the LCM equation.

GCF(31222,31242) = 2
LCM(31222,31242) = ( 31222 × 31242) / 2
LCM(31222,31242) = 975437724 / 2
LCM(31222,31242) = 487718862

Least Common Multiple (LCM) of 31222 and 31242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31222 and 31242. First we will calculate the prime factors of 31222 and 31242.

Prime Factorization of 31222

Prime factors of 31222 are 2, 67, 233. Prime factorization of 31222 in exponential form is:

31222 = 21 × 671 × 2331

Prime Factorization of 31242

Prime factors of 31242 are 2, 3, 41, 127. Prime factorization of 31242 in exponential form is:

31242 = 21 × 31 × 411 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 31222 and 31242.

LCM(31222,31242) = 21 × 671 × 2331 × 31 × 411 × 1271
LCM(31222,31242) = 487718862