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What is the Least Common Multiple of 67689 and 67694?

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 67689 and 67694 is 4582139166.

LCM(67689,67694) = 4582139166

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Least Common Multiple of 67689 and 67694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67689 and 67694, than apply into the LCM equation.

GCF(67689,67694) = 1
LCM(67689,67694) = ( 67689 × 67694) / 1
LCM(67689,67694) = 4582139166 / 1
LCM(67689,67694) = 4582139166

Least Common Multiple (LCM) of 67689 and 67694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67689 and 67694. First we will calculate the prime factors of 67689 and 67694.

Prime Factorization of 67689

Prime factors of 67689 are 3, 23, 109. Prime factorization of 67689 in exponential form is:

67689 = 33 × 231 × 1091

Prime Factorization of 67694

Prime factors of 67694 are 2, 11, 17, 181. Prime factorization of 67694 in exponential form is:

67694 = 21 × 111 × 171 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 67689 and 67694.

LCM(67689,67694) = 33 × 231 × 1091 × 21 × 111 × 171 × 1811
LCM(67689,67694) = 4582139166