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What is the Least Common Multiple of 64768 and 64779?

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 64768 and 64779 is 381418752.

LCM(64768,64779) = 381418752

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Least Common Multiple of 64768 and 64779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64768 and 64779, than apply into the LCM equation.

GCF(64768,64779) = 11
LCM(64768,64779) = ( 64768 × 64779) / 11
LCM(64768,64779) = 4195606272 / 11
LCM(64768,64779) = 381418752

Least Common Multiple (LCM) of 64768 and 64779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64768 and 64779. First we will calculate the prime factors of 64768 and 64779.

Prime Factorization of 64768

Prime factors of 64768 are 2, 11, 23. Prime factorization of 64768 in exponential form is:

64768 = 28 × 111 × 231

Prime Factorization of 64779

Prime factors of 64779 are 3, 11, 13, 151. Prime factorization of 64779 in exponential form is:

64779 = 31 × 111 × 131 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 64768 and 64779.

LCM(64768,64779) = 28 × 111 × 231 × 31 × 131 × 1511
LCM(64768,64779) = 381418752