What is the Least Common Multiple of 75760 and 75779?

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 75760 and 75779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75760 and 75779, than apply into the LCM equation.

GCF(75760,75779) = 1
LCM(75760,75779) = ( 75760 × 75779) / 1
LCM(75760,75779) = 5741017040 / 1
LCM(75760,75779) = 5741017040

Least Common Multiple (LCM) of 75760 and 75779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75760 and 75779. First we will calculate the prime factors of 75760 and 75779.

Prime Factorization of 75760

Prime Factorization of 75779

Now multiplying the highest exponent prime factors to calculate the LCM of 75760 and 75779.

LCM(75760,75779) = 2⁴ × 5¹ × 947¹ × 11¹ × 83²
LCM(75760,75779) = 5741017040