GCF and LCM Calculator Logo

What is the Least Common Multiple of 61665 and 61678?

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 61665 and 61678 is 3803373870.

LCM(61665,61678) = 3803373870

LCM Calculator and
and

Least Common Multiple of 61665 and 61678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61665 and 61678, than apply into the LCM equation.

GCF(61665,61678) = 1
LCM(61665,61678) = ( 61665 × 61678) / 1
LCM(61665,61678) = 3803373870 / 1
LCM(61665,61678) = 3803373870

Least Common Multiple (LCM) of 61665 and 61678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61665 and 61678. First we will calculate the prime factors of 61665 and 61678.

Prime Factorization of 61665

Prime factors of 61665 are 3, 5, 4111. Prime factorization of 61665 in exponential form is:

61665 = 31 × 51 × 41111

Prime Factorization of 61678

Prime factors of 61678 are 2, 30839. Prime factorization of 61678 in exponential form is:

61678 = 21 × 308391

Now multiplying the highest exponent prime factors to calculate the LCM of 61665 and 61678.

LCM(61665,61678) = 31 × 51 × 41111 × 21 × 308391
LCM(61665,61678) = 3803373870