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What is the Least Common Multiple of 64530 and 64548?

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 64530 and 64548 is 231404580.

LCM(64530,64548) = 231404580

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Least Common Multiple of 64530 and 64548 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64530 and 64548, than apply into the LCM equation.

GCF(64530,64548) = 18
LCM(64530,64548) = ( 64530 × 64548) / 18
LCM(64530,64548) = 4165282440 / 18
LCM(64530,64548) = 231404580

Least Common Multiple (LCM) of 64530 and 64548 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64530 and 64548. First we will calculate the prime factors of 64530 and 64548.

Prime Factorization of 64530

Prime factors of 64530 are 2, 3, 5, 239. Prime factorization of 64530 in exponential form is:

64530 = 21 × 33 × 51 × 2391

Prime Factorization of 64548

Prime factors of 64548 are 2, 3, 11, 163. Prime factorization of 64548 in exponential form is:

64548 = 22 × 32 × 111 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 64530 and 64548.

LCM(64530,64548) = 22 × 33 × 51 × 2391 × 111 × 1631
LCM(64530,64548) = 231404580