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What is the Least Common Multiple of 68772 and 68783?

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 68772 and 68783 is 430031316.

LCM(68772,68783) = 430031316

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Least Common Multiple of 68772 and 68783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68772 and 68783, than apply into the LCM equation.

GCF(68772,68783) = 11
LCM(68772,68783) = ( 68772 × 68783) / 11
LCM(68772,68783) = 4730344476 / 11
LCM(68772,68783) = 430031316

Least Common Multiple (LCM) of 68772 and 68783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68772 and 68783. First we will calculate the prime factors of 68772 and 68783.

Prime Factorization of 68772

Prime factors of 68772 are 2, 3, 11, 521. Prime factorization of 68772 in exponential form is:

68772 = 22 × 31 × 111 × 5211

Prime Factorization of 68783

Prime factors of 68783 are 11, 13, 37. Prime factorization of 68783 in exponential form is:

68783 = 111 × 132 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 68772 and 68783.

LCM(68772,68783) = 22 × 31 × 111 × 5211 × 132 × 371
LCM(68772,68783) = 430031316