What is the Least Common Multiple of 87215 and 87230?

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 87215 and 87230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87215 and 87230, than apply into the LCM equation.

GCF(87215,87230) = 5
LCM(87215,87230) = ( 87215 × 87230) / 5
LCM(87215,87230) = 7607764450 / 5
LCM(87215,87230) = 1521552890

Least Common Multiple (LCM) of 87215 and 87230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87215 and 87230. First we will calculate the prime factors of 87215 and 87230.

Prime Factorization of 87215

Prime Factorization of 87230

Now multiplying the highest exponent prime factors to calculate the LCM of 87215 and 87230.

LCM(87215,87230) = 5¹ × 17443¹ × 2¹ × 11¹ × 13¹ × 61¹
LCM(87215,87230) = 1521552890