What is the Least Common Multiple of 63170 and 63180?

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 63170 and 63180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63170 and 63180, than apply into the LCM equation.

GCF(63170,63180) = 10
LCM(63170,63180) = ( 63170 × 63180) / 10
LCM(63170,63180) = 3991080600 / 10
LCM(63170,63180) = 399108060

Least Common Multiple (LCM) of 63170 and 63180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63170 and 63180. First we will calculate the prime factors of 63170 and 63180.

Prime Factorization of 63170

Prime Factorization of 63180

Now multiplying the highest exponent prime factors to calculate the LCM of 63170 and 63180.

LCM(63170,63180) = 2² × 5¹ × 6317¹ × 3⁵ × 13¹
LCM(63170,63180) = 399108060