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What is the Least Common Multiple of 68916 and 68936?

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 68916 and 68936 is 1187698344.

LCM(68916,68936) = 1187698344

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Least Common Multiple of 68916 and 68936 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68916 and 68936, than apply into the LCM equation.

GCF(68916,68936) = 4
LCM(68916,68936) = ( 68916 × 68936) / 4
LCM(68916,68936) = 4750793376 / 4
LCM(68916,68936) = 1187698344

Least Common Multiple (LCM) of 68916 and 68936 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68916 and 68936. First we will calculate the prime factors of 68916 and 68936.

Prime Factorization of 68916

Prime factors of 68916 are 2, 3, 5743. Prime factorization of 68916 in exponential form is:

68916 = 22 × 31 × 57431

Prime Factorization of 68936

Prime factors of 68936 are 2, 7, 1231. Prime factorization of 68936 in exponential form is:

68936 = 23 × 71 × 12311

Now multiplying the highest exponent prime factors to calculate the LCM of 68916 and 68936.

LCM(68916,68936) = 23 × 31 × 57431 × 71 × 12311
LCM(68916,68936) = 1187698344