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What is the Least Common Multiple of 84550 and 84561?

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 84550 and 84561 is 7149632550.

LCM(84550,84561) = 7149632550

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Least Common Multiple of 84550 and 84561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84550 and 84561, than apply into the LCM equation.

GCF(84550,84561) = 1
LCM(84550,84561) = ( 84550 × 84561) / 1
LCM(84550,84561) = 7149632550 / 1
LCM(84550,84561) = 7149632550

Least Common Multiple (LCM) of 84550 and 84561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84550 and 84561. First we will calculate the prime factors of 84550 and 84561.

Prime Factorization of 84550

Prime factors of 84550 are 2, 5, 19, 89. Prime factorization of 84550 in exponential form is:

84550 = 21 × 52 × 191 × 891

Prime Factorization of 84561

Prime factors of 84561 are 3, 71, 397. Prime factorization of 84561 in exponential form is:

84561 = 31 × 711 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 84550 and 84561.

LCM(84550,84561) = 21 × 52 × 191 × 891 × 31 × 711 × 3971
LCM(84550,84561) = 7149632550