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What is the Least Common Multiple of 68385 and 68396?

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 68385 and 68396 is 4677260460.

LCM(68385,68396) = 4677260460

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Least Common Multiple of 68385 and 68396 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68385 and 68396, than apply into the LCM equation.

GCF(68385,68396) = 1
LCM(68385,68396) = ( 68385 × 68396) / 1
LCM(68385,68396) = 4677260460 / 1
LCM(68385,68396) = 4677260460

Least Common Multiple (LCM) of 68385 and 68396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68385 and 68396. First we will calculate the prime factors of 68385 and 68396.

Prime Factorization of 68385

Prime factors of 68385 are 3, 5, 47, 97. Prime factorization of 68385 in exponential form is:

68385 = 31 × 51 × 471 × 971

Prime Factorization of 68396

Prime factors of 68396 are 2, 17099. Prime factorization of 68396 in exponential form is:

68396 = 22 × 170991

Now multiplying the highest exponent prime factors to calculate the LCM of 68385 and 68396.

LCM(68385,68396) = 31 × 51 × 471 × 971 × 22 × 170991
LCM(68385,68396) = 4677260460