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What is the Least Common Multiple of 55776 and 55781?

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 55776 and 55781 is 3111241056.

LCM(55776,55781) = 3111241056

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Least Common Multiple of 55776 and 55781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55776 and 55781, than apply into the LCM equation.

GCF(55776,55781) = 1
LCM(55776,55781) = ( 55776 × 55781) / 1
LCM(55776,55781) = 3111241056 / 1
LCM(55776,55781) = 3111241056

Least Common Multiple (LCM) of 55776 and 55781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55776 and 55781. First we will calculate the prime factors of 55776 and 55781.

Prime Factorization of 55776

Prime factors of 55776 are 2, 3, 7, 83. Prime factorization of 55776 in exponential form is:

55776 = 25 × 31 × 71 × 831

Prime Factorization of 55781

Prime factors of 55781 are 11, 461. Prime factorization of 55781 in exponential form is:

55781 = 112 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 55776 and 55781.

LCM(55776,55781) = 25 × 31 × 71 × 831 × 112 × 4611
LCM(55776,55781) = 3111241056