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What is the Least Common Multiple of 55665 and 55685?

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 55665 and 55685 is 619941105.

LCM(55665,55685) = 619941105

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Least Common Multiple of 55665 and 55685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55665 and 55685, than apply into the LCM equation.

GCF(55665,55685) = 5
LCM(55665,55685) = ( 55665 × 55685) / 5
LCM(55665,55685) = 3099705525 / 5
LCM(55665,55685) = 619941105

Least Common Multiple (LCM) of 55665 and 55685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55665 and 55685. First we will calculate the prime factors of 55665 and 55685.

Prime Factorization of 55665

Prime factors of 55665 are 3, 5, 1237. Prime factorization of 55665 in exponential form is:

55665 = 32 × 51 × 12371

Prime Factorization of 55685

Prime factors of 55685 are 5, 7, 37, 43. Prime factorization of 55685 in exponential form is:

55685 = 51 × 71 × 371 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 55665 and 55685.

LCM(55665,55685) = 32 × 51 × 12371 × 71 × 371 × 431
LCM(55665,55685) = 619941105