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What is the Least Common Multiple of 68338 and 68356?

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 68338 and 68356 is 2335656164.

LCM(68338,68356) = 2335656164

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Least Common Multiple of 68338 and 68356 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68338 and 68356, than apply into the LCM equation.

GCF(68338,68356) = 2
LCM(68338,68356) = ( 68338 × 68356) / 2
LCM(68338,68356) = 4671312328 / 2
LCM(68338,68356) = 2335656164

Least Common Multiple (LCM) of 68338 and 68356 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68338 and 68356. First we will calculate the prime factors of 68338 and 68356.

Prime Factorization of 68338

Prime factors of 68338 are 2, 47, 727. Prime factorization of 68338 in exponential form is:

68338 = 21 × 471 × 7271

Prime Factorization of 68356

Prime factors of 68356 are 2, 23, 743. Prime factorization of 68356 in exponential form is:

68356 = 22 × 231 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 68338 and 68356.

LCM(68338,68356) = 22 × 471 × 7271 × 231 × 7431
LCM(68338,68356) = 2335656164