What is the Least Common Multiple of 61660 and 61670?

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 61660 and 61670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61660 and 61670, than apply into the LCM equation.

GCF(61660,61670) = 10
LCM(61660,61670) = ( 61660 × 61670) / 10
LCM(61660,61670) = 3802572200 / 10
LCM(61660,61670) = 380257220

Least Common Multiple (LCM) of 61660 and 61670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61660 and 61670. First we will calculate the prime factors of 61660 and 61670.

Prime Factorization of 61660

Prime Factorization of 61670

Now multiplying the highest exponent prime factors to calculate the LCM of 61660 and 61670.

LCM(61660,61670) = 2² × 5¹ × 3083¹ × 7¹ × 881¹
LCM(61660,61670) = 380257220