GCF and LCM Calculator Logo

What is the Least Common Multiple of 40774 and 40791?

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 40774 and 40791 is 1663212234.

LCM(40774,40791) = 1663212234

LCM Calculator and
and

Least Common Multiple of 40774 and 40791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40774 and 40791, than apply into the LCM equation.

GCF(40774,40791) = 1
LCM(40774,40791) = ( 40774 × 40791) / 1
LCM(40774,40791) = 1663212234 / 1
LCM(40774,40791) = 1663212234

Least Common Multiple (LCM) of 40774 and 40791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40774 and 40791. First we will calculate the prime factors of 40774 and 40791.

Prime Factorization of 40774

Prime factors of 40774 are 2, 19, 29, 37. Prime factorization of 40774 in exponential form is:

40774 = 21 × 191 × 291 × 371

Prime Factorization of 40791

Prime factors of 40791 are 3, 13597. Prime factorization of 40791 in exponential form is:

40791 = 31 × 135971

Now multiplying the highest exponent prime factors to calculate the LCM of 40774 and 40791.

LCM(40774,40791) = 21 × 191 × 291 × 371 × 31 × 135971
LCM(40774,40791) = 1663212234