What is the Least Common Multiple of 19642 and 19652?

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 of 19642 and 19652 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19642 and 19652, than apply into the LCM equation.

GCF(19642,19652) = 2
LCM(19642,19652) = ( 19642 × 19652) / 2
LCM(19642,19652) = 386004584 / 2
LCM(19642,19652) = 193002292

Least Common Multiple (LCM) of 19642 and 19652 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19642 and 19652. First we will calculate the prime factors of 19642 and 19652.

Prime Factorization of 19642

Prime Factorization of 19652

Now multiplying the highest exponent prime factors to calculate the LCM of 19642 and 19652.

LCM(19642,19652) = 2² × 7¹ × 23¹ × 61¹ × 17³
LCM(19642,19652) = 193002292