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What is the Least Common Multiple of 68128 and 68148?

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 68128 and 68148 is 1160696736.

LCM(68128,68148) = 1160696736

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Least Common Multiple of 68128 and 68148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68128 and 68148, than apply into the LCM equation.

GCF(68128,68148) = 4
LCM(68128,68148) = ( 68128 × 68148) / 4
LCM(68128,68148) = 4642786944 / 4
LCM(68128,68148) = 1160696736

Least Common Multiple (LCM) of 68128 and 68148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68128 and 68148. First we will calculate the prime factors of 68128 and 68148.

Prime Factorization of 68128

Prime factors of 68128 are 2, 2129. Prime factorization of 68128 in exponential form is:

68128 = 25 × 21291

Prime Factorization of 68148

Prime factors of 68148 are 2, 3, 631. Prime factorization of 68148 in exponential form is:

68148 = 22 × 33 × 6311

Now multiplying the highest exponent prime factors to calculate the LCM of 68128 and 68148.

LCM(68128,68148) = 25 × 21291 × 33 × 6311
LCM(68128,68148) = 1160696736