What is the Least Common Multiple of 87974 and 87985?

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 87974 and 87985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87974 and 87985, than apply into the LCM equation.

GCF(87974,87985) = 1
LCM(87974,87985) = ( 87974 × 87985) / 1
LCM(87974,87985) = 7740392390 / 1
LCM(87974,87985) = 7740392390

Least Common Multiple (LCM) of 87974 and 87985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87974 and 87985. First we will calculate the prime factors of 87974 and 87985.

Prime Factorization of 87974

Prime Factorization of 87985

Now multiplying the highest exponent prime factors to calculate the LCM of 87974 and 87985.

LCM(87974,87985) = 2¹ × 43987¹ × 5¹ × 17597¹
LCM(87974,87985) = 7740392390