GCF and LCM Calculator Logo

What is the Least Common Multiple of 67123 and 67142?

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 67123 and 67142 is 4506772466.

LCM(67123,67142) = 4506772466

LCM Calculator and
and

Least Common Multiple of 67123 and 67142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67123 and 67142, than apply into the LCM equation.

GCF(67123,67142) = 1
LCM(67123,67142) = ( 67123 × 67142) / 1
LCM(67123,67142) = 4506772466 / 1
LCM(67123,67142) = 4506772466

Least Common Multiple (LCM) of 67123 and 67142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67123 and 67142. First we will calculate the prime factors of 67123 and 67142.

Prime Factorization of 67123

Prime factors of 67123 are 7, 43, 223. Prime factorization of 67123 in exponential form is:

67123 = 71 × 431 × 2231

Prime Factorization of 67142

Prime factors of 67142 are 2, 59, 569. Prime factorization of 67142 in exponential form is:

67142 = 21 × 591 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 67123 and 67142.

LCM(67123,67142) = 71 × 431 × 2231 × 21 × 591 × 5691
LCM(67123,67142) = 4506772466