GCF and LCM Calculator Logo

What is the Least Common Multiple of 77430 and 77449?

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 77430 and 77449 is 5996876070.

LCM(77430,77449) = 5996876070

LCM Calculator and
and

Least Common Multiple of 77430 and 77449 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77430 and 77449, than apply into the LCM equation.

GCF(77430,77449) = 1
LCM(77430,77449) = ( 77430 × 77449) / 1
LCM(77430,77449) = 5996876070 / 1
LCM(77430,77449) = 5996876070

Least Common Multiple (LCM) of 77430 and 77449 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77430 and 77449. First we will calculate the prime factors of 77430 and 77449.

Prime Factorization of 77430

Prime factors of 77430 are 2, 3, 5, 29, 89. Prime factorization of 77430 in exponential form is:

77430 = 21 × 31 × 51 × 291 × 891

Prime Factorization of 77449

Prime factors of 77449 are 41, 1889. Prime factorization of 77449 in exponential form is:

77449 = 411 × 18891

Now multiplying the highest exponent prime factors to calculate the LCM of 77430 and 77449.

LCM(77430,77449) = 21 × 31 × 51 × 291 × 891 × 411 × 18891
LCM(77430,77449) = 5996876070