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What is the Least Common Multiple of 64744 and 64761?

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 64744 and 64761 is 4192886184.

LCM(64744,64761) = 4192886184

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Least Common Multiple of 64744 and 64761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64744 and 64761, than apply into the LCM equation.

GCF(64744,64761) = 1
LCM(64744,64761) = ( 64744 × 64761) / 1
LCM(64744,64761) = 4192886184 / 1
LCM(64744,64761) = 4192886184

Least Common Multiple (LCM) of 64744 and 64761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64744 and 64761. First we will calculate the prime factors of 64744 and 64761.

Prime Factorization of 64744

Prime factors of 64744 are 2, 8093. Prime factorization of 64744 in exponential form is:

64744 = 23 × 80931

Prime Factorization of 64761

Prime factors of 64761 are 3, 21587. Prime factorization of 64761 in exponential form is:

64761 = 31 × 215871

Now multiplying the highest exponent prime factors to calculate the LCM of 64744 and 64761.

LCM(64744,64761) = 23 × 80931 × 31 × 215871
LCM(64744,64761) = 4192886184