What is the Least Common Multiple of 77445 and 77451?

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 77445 and 77451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77445 and 77451, than apply into the LCM equation.

GCF(77445,77451) = 3
LCM(77445,77451) = ( 77445 × 77451) / 3
LCM(77445,77451) = 5998192695 / 3
LCM(77445,77451) = 1999397565

Least Common Multiple (LCM) of 77445 and 77451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77445 and 77451. First we will calculate the prime factors of 77445 and 77451.

Prime Factorization of 77445

Prime Factorization of 77451

Now multiplying the highest exponent prime factors to calculate the LCM of 77445 and 77451.

LCM(77445,77451) = 3² × 5¹ × 1721¹ × 11¹ × 2347¹
LCM(77445,77451) = 1999397565