What is the Least Common Multiple of 42354 and 42372?

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 42354 and 42372 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42354 and 42372, than apply into the LCM equation.

GCF(42354,42372) = 18
LCM(42354,42372) = ( 42354 × 42372) / 18
LCM(42354,42372) = 1794623688 / 18
LCM(42354,42372) = 99701316

Least Common Multiple (LCM) of 42354 and 42372 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42354 and 42372. First we will calculate the prime factors of 42354 and 42372.

Prime Factorization of 42354

Prime Factorization of 42372

Now multiplying the highest exponent prime factors to calculate the LCM of 42354 and 42372.

LCM(42354,42372) = 2² × 3² × 13¹ × 181¹ × 11¹ × 107¹
LCM(42354,42372) = 99701316