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What is the Least Common Multiple of 64543 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 64543 and 64550 is 4166250650.

LCM(64543,64550) = 4166250650

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Least Common Multiple of 64543 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 64543 and 64550, than apply into the LCM equation.

GCF(64543,64550) = 1
LCM(64543,64550) = ( 64543 × 64550) / 1
LCM(64543,64550) = 4166250650 / 1
LCM(64543,64550) = 4166250650

Least Common Multiple (LCM) of 64543 and 64550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64543 and 64550. First we will calculate the prime factors of 64543 and 64550.

Prime Factorization of 64543

Prime factors of 64543 are 19, 43, 79. Prime factorization of 64543 in exponential form is:

64543 = 191 × 431 × 791

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 64543 and 64550.

LCM(64543,64550) = 191 × 431 × 791 × 21 × 52 × 12911
LCM(64543,64550) = 4166250650