What is the Least Common Multiple of 77080 and 77085?

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 77080 and 77085 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77080 and 77085, than apply into the LCM equation.

GCF(77080,77085) = 5
LCM(77080,77085) = ( 77080 × 77085) / 5
LCM(77080,77085) = 5941711800 / 5
LCM(77080,77085) = 1188342360

Least Common Multiple (LCM) of 77080 and 77085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77080 and 77085. First we will calculate the prime factors of 77080 and 77085.

Prime Factorization of 77080

Prime Factorization of 77085

Now multiplying the highest exponent prime factors to calculate the LCM of 77080 and 77085.

LCM(77080,77085) = 2³ × 5¹ × 41¹ × 47¹ × 3³ × 571¹
LCM(77080,77085) = 1188342360