What is the Least Common Multiple of 64070 and 64085?

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 64070 and 64085 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64070 and 64085, than apply into the LCM equation.

GCF(64070,64085) = 5
LCM(64070,64085) = ( 64070 × 64085) / 5
LCM(64070,64085) = 4105925950 / 5
LCM(64070,64085) = 821185190

Least Common Multiple (LCM) of 64070 and 64085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64070 and 64085. First we will calculate the prime factors of 64070 and 64085.

Prime Factorization of 64070

Prime Factorization of 64085

Now multiplying the highest exponent prime factors to calculate the LCM of 64070 and 64085.

LCM(64070,64085) = 2¹ × 5¹ × 43¹ × 149¹ × 7¹ × 1831¹
LCM(64070,64085) = 821185190