What is the Least Common Multiple of 87308 and 87320?

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 87308 and 87320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87308 and 87320, than apply into the LCM equation.

GCF(87308,87320) = 4
LCM(87308,87320) = ( 87308 × 87320) / 4
LCM(87308,87320) = 7623734560 / 4
LCM(87308,87320) = 1905933640

Least Common Multiple (LCM) of 87308 and 87320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87308 and 87320. First we will calculate the prime factors of 87308 and 87320.

Prime Factorization of 87308

Prime Factorization of 87320

Now multiplying the highest exponent prime factors to calculate the LCM of 87308 and 87320.

LCM(87308,87320) = 2³ × 13¹ × 23¹ × 73¹ × 5¹ × 37¹ × 59¹
LCM(87308,87320) = 1905933640