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What is the Least Common Multiple of 55668 and 55688?

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 55668 and 55688 is 775009896.

LCM(55668,55688) = 775009896

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Least Common Multiple of 55668 and 55688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55668 and 55688, than apply into the LCM equation.

GCF(55668,55688) = 4
LCM(55668,55688) = ( 55668 × 55688) / 4
LCM(55668,55688) = 3100039584 / 4
LCM(55668,55688) = 775009896

Least Common Multiple (LCM) of 55668 and 55688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55668 and 55688. First we will calculate the prime factors of 55668 and 55688.

Prime Factorization of 55668

Prime factors of 55668 are 2, 3, 4639. Prime factorization of 55668 in exponential form is:

55668 = 22 × 31 × 46391

Prime Factorization of 55688

Prime factors of 55688 are 2, 6961. Prime factorization of 55688 in exponential form is:

55688 = 23 × 69611

Now multiplying the highest exponent prime factors to calculate the LCM of 55668 and 55688.

LCM(55668,55688) = 23 × 31 × 46391 × 69611
LCM(55668,55688) = 775009896