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What is the Least Common Multiple of 66530 and 66539?

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 66530 and 66539 is 4426839670.

LCM(66530,66539) = 4426839670

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Least Common Multiple of 66530 and 66539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66530 and 66539, than apply into the LCM equation.

GCF(66530,66539) = 1
LCM(66530,66539) = ( 66530 × 66539) / 1
LCM(66530,66539) = 4426839670 / 1
LCM(66530,66539) = 4426839670

Least Common Multiple (LCM) of 66530 and 66539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66530 and 66539. First we will calculate the prime factors of 66530 and 66539.

Prime Factorization of 66530

Prime factors of 66530 are 2, 5, 6653. Prime factorization of 66530 in exponential form is:

66530 = 21 × 51 × 66531

Prime Factorization of 66539

Prime factors of 66539 are 11, 23, 263. Prime factorization of 66539 in exponential form is:

66539 = 111 × 231 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 66530 and 66539.

LCM(66530,66539) = 21 × 51 × 66531 × 111 × 231 × 2631
LCM(66530,66539) = 4426839670