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What is the Least Common Multiple of 64668 and 64682?

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 64668 and 64682 is 2091427788.

LCM(64668,64682) = 2091427788

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Least Common Multiple of 64668 and 64682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64668 and 64682, than apply into the LCM equation.

GCF(64668,64682) = 2
LCM(64668,64682) = ( 64668 × 64682) / 2
LCM(64668,64682) = 4182855576 / 2
LCM(64668,64682) = 2091427788

Least Common Multiple (LCM) of 64668 and 64682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64668 and 64682. First we will calculate the prime factors of 64668 and 64682.

Prime Factorization of 64668

Prime factors of 64668 are 2, 3, 17, 317. Prime factorization of 64668 in exponential form is:

64668 = 22 × 31 × 171 × 3171

Prime Factorization of 64682

Prime factors of 64682 are 2, 32341. Prime factorization of 64682 in exponential form is:

64682 = 21 × 323411

Now multiplying the highest exponent prime factors to calculate the LCM of 64668 and 64682.

LCM(64668,64682) = 22 × 31 × 171 × 3171 × 323411
LCM(64668,64682) = 2091427788