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What is the Least Common Multiple of 68708 and 68716?

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 68708 and 68716 is 1180334732.

LCM(68708,68716) = 1180334732

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Least Common Multiple of 68708 and 68716 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68708 and 68716, than apply into the LCM equation.

GCF(68708,68716) = 4
LCM(68708,68716) = ( 68708 × 68716) / 4
LCM(68708,68716) = 4721338928 / 4
LCM(68708,68716) = 1180334732

Least Common Multiple (LCM) of 68708 and 68716 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68708 and 68716. First we will calculate the prime factors of 68708 and 68716.

Prime Factorization of 68708

Prime factors of 68708 are 2, 89, 193. Prime factorization of 68708 in exponential form is:

68708 = 22 × 891 × 1931

Prime Factorization of 68716

Prime factors of 68716 are 2, 41, 419. Prime factorization of 68716 in exponential form is:

68716 = 22 × 411 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 68708 and 68716.

LCM(68708,68716) = 22 × 891 × 1931 × 411 × 4191
LCM(68708,68716) = 1180334732