GCF and LCM Calculator Logo

What is the Least Common Multiple of 77438 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 (LCM) of 77438 and 77451 is 5997650538.

LCM(77438,77451) = 5997650538

LCM Calculator and
and

Least Common Multiple of 77438 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 77438 and 77451, than apply into the LCM equation.

GCF(77438,77451) = 1
LCM(77438,77451) = ( 77438 × 77451) / 1
LCM(77438,77451) = 5997650538 / 1
LCM(77438,77451) = 5997650538

Least Common Multiple (LCM) of 77438 and 77451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77438 and 77451. First we will calculate the prime factors of 77438 and 77451.

Prime Factorization of 77438

Prime factors of 77438 are 2, 31, 1249. Prime factorization of 77438 in exponential form is:

77438 = 21 × 311 × 12491

Prime Factorization of 77451

Prime factors of 77451 are 3, 11, 2347. Prime factorization of 77451 in exponential form is:

77451 = 31 × 111 × 23471

Now multiplying the highest exponent prime factors to calculate the LCM of 77438 and 77451.

LCM(77438,77451) = 21 × 311 × 12491 × 31 × 111 × 23471
LCM(77438,77451) = 5997650538