GCF and LCM Calculator Logo

What is the Least Common Multiple of 61742 and 61761?

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 61742 and 61761 is 3813247662.

LCM(61742,61761) = 3813247662

LCM Calculator and
and

Least Common Multiple of 61742 and 61761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61742 and 61761, than apply into the LCM equation.

GCF(61742,61761) = 1
LCM(61742,61761) = ( 61742 × 61761) / 1
LCM(61742,61761) = 3813247662 / 1
LCM(61742,61761) = 3813247662

Least Common Multiple (LCM) of 61742 and 61761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61742 and 61761. First we will calculate the prime factors of 61742 and 61761.

Prime Factorization of 61742

Prime factors of 61742 are 2, 30871. Prime factorization of 61742 in exponential form is:

61742 = 21 × 308711

Prime Factorization of 61761

Prime factors of 61761 are 3, 7, 17, 173. Prime factorization of 61761 in exponential form is:

61761 = 31 × 71 × 171 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 61742 and 61761.

LCM(61742,61761) = 21 × 308711 × 31 × 71 × 171 × 1731
LCM(61742,61761) = 3813247662