What is the Least Common Multiple of 42765 and 42777?

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 42765 and 42777 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42765 and 42777, than apply into the LCM equation.

GCF(42765,42777) = 3
LCM(42765,42777) = ( 42765 × 42777) / 3
LCM(42765,42777) = 1829358405 / 3
LCM(42765,42777) = 609786135

Least Common Multiple (LCM) of 42765 and 42777 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42765 and 42777. First we will calculate the prime factors of 42765 and 42777.

Prime Factorization of 42765

Prime Factorization of 42777

Now multiplying the highest exponent prime factors to calculate the LCM of 42765 and 42777.

LCM(42765,42777) = 3² × 5¹ × 2851¹ × 7² × 97¹
LCM(42765,42777) = 609786135