What is the Least Common Multiple of 87286 and 87305?

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 87286 and 87305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87286 and 87305, than apply into the LCM equation.

GCF(87286,87305) = 19
LCM(87286,87305) = ( 87286 × 87305) / 19
LCM(87286,87305) = 7620504230 / 19
LCM(87286,87305) = 401079170

Least Common Multiple (LCM) of 87286 and 87305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87286 and 87305. First we will calculate the prime factors of 87286 and 87305.

Prime Factorization of 87286

Prime Factorization of 87305

Now multiplying the highest exponent prime factors to calculate the LCM of 87286 and 87305.

LCM(87286,87305) = 2¹ × 19¹ × 2297¹ × 5¹ × 919¹
LCM(87286,87305) = 401079170