What is the Least Common Multiple of 67170 and 67181?

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 67170 and 67181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67170 and 67181, than apply into the LCM equation.

GCF(67170,67181) = 1
LCM(67170,67181) = ( 67170 × 67181) / 1
LCM(67170,67181) = 4512547770 / 1
LCM(67170,67181) = 4512547770

Least Common Multiple (LCM) of 67170 and 67181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67170 and 67181. First we will calculate the prime factors of 67170 and 67181.

Prime Factorization of 67170

Prime Factorization of 67181

Now multiplying the highest exponent prime factors to calculate the LCM of 67170 and 67181.

LCM(67170,67181) = 2¹ × 3¹ × 5¹ × 2239¹ × 67181¹
LCM(67170,67181) = 4512547770