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What is the Least Common Multiple of 64387 and 64399?

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 64387 and 64399 is 4146458413.

LCM(64387,64399) = 4146458413

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Least Common Multiple of 64387 and 64399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64387 and 64399, than apply into the LCM equation.

GCF(64387,64399) = 1
LCM(64387,64399) = ( 64387 × 64399) / 1
LCM(64387,64399) = 4146458413 / 1
LCM(64387,64399) = 4146458413

Least Common Multiple (LCM) of 64387 and 64399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64387 and 64399. First we will calculate the prime factors of 64387 and 64399.

Prime Factorization of 64387

Prime factors of 64387 are 31, 67. Prime factorization of 64387 in exponential form is:

64387 = 312 × 671

Prime Factorization of 64399

Prime factors of 64399 are 64399. Prime factorization of 64399 in exponential form is:

64399 = 643991

Now multiplying the highest exponent prime factors to calculate the LCM of 64387 and 64399.

LCM(64387,64399) = 312 × 671 × 643991
LCM(64387,64399) = 4146458413