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What is the Least Common Multiple of 54761 and 54768?

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 54761 and 54768 is 428450064.

LCM(54761,54768) = 428450064

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Least Common Multiple of 54761 and 54768 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54761 and 54768, than apply into the LCM equation.

GCF(54761,54768) = 7
LCM(54761,54768) = ( 54761 × 54768) / 7
LCM(54761,54768) = 2999150448 / 7
LCM(54761,54768) = 428450064

Least Common Multiple (LCM) of 54761 and 54768 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54761 and 54768. First we will calculate the prime factors of 54761 and 54768.

Prime Factorization of 54761

Prime factors of 54761 are 7, 7823. Prime factorization of 54761 in exponential form is:

54761 = 71 × 78231

Prime Factorization of 54768

Prime factors of 54768 are 2, 3, 7, 163. Prime factorization of 54768 in exponential form is:

54768 = 24 × 31 × 71 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 54761 and 54768.

LCM(54761,54768) = 71 × 78231 × 24 × 31 × 1631
LCM(54761,54768) = 428450064