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What is the Least Common Multiple of 64545 and 64550?

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 64545 and 64550 is 833275950.

LCM(64545,64550) = 833275950

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Least Common Multiple of 64545 and 64550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64545 and 64550, than apply into the LCM equation.

GCF(64545,64550) = 5
LCM(64545,64550) = ( 64545 × 64550) / 5
LCM(64545,64550) = 4166379750 / 5
LCM(64545,64550) = 833275950

Least Common Multiple (LCM) of 64545 and 64550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64545 and 64550. First we will calculate the prime factors of 64545 and 64550.

Prime Factorization of 64545

Prime factors of 64545 are 3, 5, 13, 331. Prime factorization of 64545 in exponential form is:

64545 = 31 × 51 × 131 × 3311

Prime Factorization of 64550

Prime factors of 64550 are 2, 5, 1291. Prime factorization of 64550 in exponential form is:

64550 = 21 × 52 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 64545 and 64550.

LCM(64545,64550) = 31 × 52 × 131 × 3311 × 21 × 12911
LCM(64545,64550) = 833275950