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What is the Least Common Multiple of 84643 and 84661?

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 84643 and 84661 is 7165961023.

LCM(84643,84661) = 7165961023

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Least Common Multiple of 84643 and 84661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84643 and 84661, than apply into the LCM equation.

GCF(84643,84661) = 1
LCM(84643,84661) = ( 84643 × 84661) / 1
LCM(84643,84661) = 7165961023 / 1
LCM(84643,84661) = 7165961023

Least Common Multiple (LCM) of 84643 and 84661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84643 and 84661. First we will calculate the prime factors of 84643 and 84661.

Prime Factorization of 84643

Prime factors of 84643 are 13, 17, 383. Prime factorization of 84643 in exponential form is:

84643 = 131 × 171 × 3831

Prime Factorization of 84661

Prime factors of 84661 are 31, 2731. Prime factorization of 84661 in exponential form is:

84661 = 311 × 27311

Now multiplying the highest exponent prime factors to calculate the LCM of 84643 and 84661.

LCM(84643,84661) = 131 × 171 × 3831 × 311 × 27311
LCM(84643,84661) = 7165961023