What is the Least Common Multiple of 91880 and 91885?

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 91880 and 91885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91880 and 91885, than apply into the LCM equation.

GCF(91880,91885) = 5
LCM(91880,91885) = ( 91880 × 91885) / 5
LCM(91880,91885) = 8442393800 / 5
LCM(91880,91885) = 1688478760

Least Common Multiple (LCM) of 91880 and 91885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91880 and 91885. First we will calculate the prime factors of 91880 and 91885.

Prime Factorization of 91880

Prime Factorization of 91885

Now multiplying the highest exponent prime factors to calculate the LCM of 91880 and 91885.

LCM(91880,91885) = 2³ × 5¹ × 2297¹ × 17¹ × 23¹ × 47¹
LCM(91880,91885) = 1688478760