GCF and LCM Calculator Logo

What is the Least Common Multiple of 51405 and 51422?

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 51405 and 51422 is 2643347910.

LCM(51405,51422) = 2643347910

LCM Calculator and
and

Least Common Multiple of 51405 and 51422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51405 and 51422, than apply into the LCM equation.

GCF(51405,51422) = 1
LCM(51405,51422) = ( 51405 × 51422) / 1
LCM(51405,51422) = 2643347910 / 1
LCM(51405,51422) = 2643347910

Least Common Multiple (LCM) of 51405 and 51422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51405 and 51422. First we will calculate the prime factors of 51405 and 51422.

Prime Factorization of 51405

Prime factors of 51405 are 3, 5, 23, 149. Prime factorization of 51405 in exponential form is:

51405 = 31 × 51 × 231 × 1491

Prime Factorization of 51422

Prime factors of 51422 are 2, 7, 3673. Prime factorization of 51422 in exponential form is:

51422 = 21 × 71 × 36731

Now multiplying the highest exponent prime factors to calculate the LCM of 51405 and 51422.

LCM(51405,51422) = 31 × 51 × 231 × 1491 × 21 × 71 × 36731
LCM(51405,51422) = 2643347910