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What is the Least Common Multiple of 64764 and 64776?

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 64764 and 64776 is 349596072.

LCM(64764,64776) = 349596072

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Least Common Multiple of 64764 and 64776 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64764 and 64776, than apply into the LCM equation.

GCF(64764,64776) = 12
LCM(64764,64776) = ( 64764 × 64776) / 12
LCM(64764,64776) = 4195152864 / 12
LCM(64764,64776) = 349596072

Least Common Multiple (LCM) of 64764 and 64776 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64764 and 64776. First we will calculate the prime factors of 64764 and 64776.

Prime Factorization of 64764

Prime factors of 64764 are 2, 3, 7, 257. Prime factorization of 64764 in exponential form is:

64764 = 22 × 32 × 71 × 2571

Prime Factorization of 64776

Prime factors of 64776 are 2, 3, 2699. Prime factorization of 64776 in exponential form is:

64776 = 23 × 31 × 26991

Now multiplying the highest exponent prime factors to calculate the LCM of 64764 and 64776.

LCM(64764,64776) = 23 × 32 × 71 × 2571 × 26991
LCM(64764,64776) = 349596072