What is the Least Common Multiple of 18880 and 18888?

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 18880 and 18888 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18880 and 18888, than apply into the LCM equation.

GCF(18880,18888) = 8
LCM(18880,18888) = ( 18880 × 18888) / 8
LCM(18880,18888) = 356605440 / 8
LCM(18880,18888) = 44575680

Least Common Multiple (LCM) of 18880 and 18888 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18880 and 18888. First we will calculate the prime factors of 18880 and 18888.

Prime Factorization of 18880

Prime Factorization of 18888

Now multiplying the highest exponent prime factors to calculate the LCM of 18880 and 18888.

LCM(18880,18888) = 2⁶ × 5¹ × 59¹ × 3¹ × 787¹
LCM(18880,18888) = 44575680