What is the Least Common Multiple of 81076 and 81088?

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 81076 and 81088 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81076 and 81088, than apply into the LCM equation.

GCF(81076,81088) = 4
LCM(81076,81088) = ( 81076 × 81088) / 4
LCM(81076,81088) = 6574290688 / 4
LCM(81076,81088) = 1643572672

Least Common Multiple (LCM) of 81076 and 81088 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81076 and 81088. First we will calculate the prime factors of 81076 and 81088.

Prime Factorization of 81076

Prime Factorization of 81088

Now multiplying the highest exponent prime factors to calculate the LCM of 81076 and 81088.

LCM(81076,81088) = 2⁶ × 20269¹ × 7¹ × 181¹
LCM(81076,81088) = 1643572672