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What is the Least Common Multiple of 27776 and 27783?

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 27776 and 27783 is 110242944.

LCM(27776,27783) = 110242944

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Least Common Multiple of 27776 and 27783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27776 and 27783, than apply into the LCM equation.

GCF(27776,27783) = 7
LCM(27776,27783) = ( 27776 × 27783) / 7
LCM(27776,27783) = 771700608 / 7
LCM(27776,27783) = 110242944

Least Common Multiple (LCM) of 27776 and 27783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27776 and 27783. First we will calculate the prime factors of 27776 and 27783.

Prime Factorization of 27776

Prime factors of 27776 are 2, 7, 31. Prime factorization of 27776 in exponential form is:

27776 = 27 × 71 × 311

Prime Factorization of 27783

Prime factors of 27783 are 3, 7. Prime factorization of 27783 in exponential form is:

27783 = 34 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 27776 and 27783.

LCM(27776,27783) = 27 × 73 × 311 × 34
LCM(27776,27783) = 110242944