What is the Least Common Multiple of 70170 and 70190?

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 70170 and 70190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70170 and 70190, than apply into the LCM equation.

GCF(70170,70190) = 10
LCM(70170,70190) = ( 70170 × 70190) / 10
LCM(70170,70190) = 4925232300 / 10
LCM(70170,70190) = 492523230

Least Common Multiple (LCM) of 70170 and 70190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70170 and 70190. First we will calculate the prime factors of 70170 and 70190.

Prime Factorization of 70170

Prime Factorization of 70190

Now multiplying the highest exponent prime factors to calculate the LCM of 70170 and 70190.

LCM(70170,70190) = 2¹ × 3¹ × 5¹ × 2339¹ × 7019¹
LCM(70170,70190) = 492523230