GCF and LCM Calculator Logo

What is the Least Common Multiple of 68442 and 68448?

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 68442 and 68448 is 780786336.

LCM(68442,68448) = 780786336

LCM Calculator and
and

Least Common Multiple of 68442 and 68448 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68442 and 68448, than apply into the LCM equation.

GCF(68442,68448) = 6
LCM(68442,68448) = ( 68442 × 68448) / 6
LCM(68442,68448) = 4684718016 / 6
LCM(68442,68448) = 780786336

Least Common Multiple (LCM) of 68442 and 68448 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68442 and 68448. First we will calculate the prime factors of 68442 and 68448.

Prime Factorization of 68442

Prime factors of 68442 are 2, 3, 11, 17, 61. Prime factorization of 68442 in exponential form is:

68442 = 21 × 31 × 111 × 171 × 611

Prime Factorization of 68448

Prime factors of 68448 are 2, 3, 23, 31. Prime factorization of 68448 in exponential form is:

68448 = 25 × 31 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 68442 and 68448.

LCM(68442,68448) = 25 × 31 × 111 × 171 × 611 × 231 × 311
LCM(68442,68448) = 780786336