What is the Least Common Multiple of 87456 and 87476?

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 87456 and 87476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87456 and 87476, than apply into the LCM equation.

GCF(87456,87476) = 4
LCM(87456,87476) = ( 87456 × 87476) / 4
LCM(87456,87476) = 7650301056 / 4
LCM(87456,87476) = 1912575264

Least Common Multiple (LCM) of 87456 and 87476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87456 and 87476. First we will calculate the prime factors of 87456 and 87476.

Prime Factorization of 87456

Prime Factorization of 87476

Now multiplying the highest exponent prime factors to calculate the LCM of 87456 and 87476.

LCM(87456,87476) = 2⁵ × 3¹ × 911¹ × 19¹ × 1151¹
LCM(87456,87476) = 1912575264