What is the Least Common Multiple of 77421 and 77425?

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 77421 and 77425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77421 and 77425, than apply into the LCM equation.

GCF(77421,77425) = 1
LCM(77421,77425) = ( 77421 × 77425) / 1
LCM(77421,77425) = 5994320925 / 1
LCM(77421,77425) = 5994320925

Least Common Multiple (LCM) of 77421 and 77425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77421 and 77425. First we will calculate the prime factors of 77421 and 77425.

Prime Factorization of 77421

Prime Factorization of 77425

Now multiplying the highest exponent prime factors to calculate the LCM of 77421 and 77425.

LCM(77421,77425) = 3¹ × 131¹ × 197¹ × 5² × 19¹ × 163¹
LCM(77421,77425) = 5994320925