GCF and LCM Calculator Logo

What is the Least Common Multiple of 76623 and 76643?

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 (LCM) of 76623 and 76643 is 5872616589.

LCM(76623,76643) = 5872616589

LCM Calculator and
and

Least Common Multiple of 76623 and 76643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76623 and 76643, than apply into the LCM equation.

GCF(76623,76643) = 1
LCM(76623,76643) = ( 76623 × 76643) / 1
LCM(76623,76643) = 5872616589 / 1
LCM(76623,76643) = 5872616589

Least Common Multiple (LCM) of 76623 and 76643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76623 and 76643. First we will calculate the prime factors of 76623 and 76643.

Prime Factorization of 76623

Prime factors of 76623 are 3, 25541. Prime factorization of 76623 in exponential form is:

76623 = 31 × 255411

Prime Factorization of 76643

Prime factors of 76643 are 7, 10949. Prime factorization of 76643 in exponential form is:

76643 = 71 × 109491

Now multiplying the highest exponent prime factors to calculate the LCM of 76623 and 76643.

LCM(76623,76643) = 31 × 255411 × 71 × 109491
LCM(76623,76643) = 5872616589