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What is the Least Common Multiple of 72809 and 72818?

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 72809 and 72818 is 5301805762.

LCM(72809,72818) = 5301805762

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Least Common Multiple of 72809 and 72818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72809 and 72818, than apply into the LCM equation.

GCF(72809,72818) = 1
LCM(72809,72818) = ( 72809 × 72818) / 1
LCM(72809,72818) = 5301805762 / 1
LCM(72809,72818) = 5301805762

Least Common Multiple (LCM) of 72809 and 72818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72809 and 72818. First we will calculate the prime factors of 72809 and 72818.

Prime Factorization of 72809

Prime factors of 72809 are 11, 6619. Prime factorization of 72809 in exponential form is:

72809 = 111 × 66191

Prime Factorization of 72818

Prime factors of 72818 are 2, 23, 1583. Prime factorization of 72818 in exponential form is:

72818 = 21 × 231 × 15831

Now multiplying the highest exponent prime factors to calculate the LCM of 72809 and 72818.

LCM(72809,72818) = 111 × 66191 × 21 × 231 × 15831
LCM(72809,72818) = 5301805762