What is the Least Common Multiple of 87368 and 87380?

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 87368 and 87380 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87368 and 87380, than apply into the LCM equation.

GCF(87368,87380) = 4
LCM(87368,87380) = ( 87368 × 87380) / 4
LCM(87368,87380) = 7634215840 / 4
LCM(87368,87380) = 1908553960

Least Common Multiple (LCM) of 87368 and 87380 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87368 and 87380. First we will calculate the prime factors of 87368 and 87380.

Prime Factorization of 87368

Prime Factorization of 87380

Now multiplying the highest exponent prime factors to calculate the LCM of 87368 and 87380.

LCM(87368,87380) = 2³ × 67¹ × 163¹ × 5¹ × 17¹ × 257¹
LCM(87368,87380) = 1908553960