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What is the Least Common Multiple of 27783 and 27788?

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 27783 and 27788 is 772034004.

LCM(27783,27788) = 772034004

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Least Common Multiple of 27783 and 27788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27783 and 27788, than apply into the LCM equation.

GCF(27783,27788) = 1
LCM(27783,27788) = ( 27783 × 27788) / 1
LCM(27783,27788) = 772034004 / 1
LCM(27783,27788) = 772034004

Least Common Multiple (LCM) of 27783 and 27788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27783 and 27788. First we will calculate the prime factors of 27783 and 27788.

Prime Factorization of 27783

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

27783 = 34 × 73

Prime Factorization of 27788

Prime factors of 27788 are 2, 6947. Prime factorization of 27788 in exponential form is:

27788 = 22 × 69471

Now multiplying the highest exponent prime factors to calculate the LCM of 27783 and 27788.

LCM(27783,27788) = 34 × 73 × 22 × 69471
LCM(27783,27788) = 772034004