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What is the Least Common Multiple of 84423 and 84436?

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 84423 and 84436 is 7128340428.

LCM(84423,84436) = 7128340428

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Least Common Multiple of 84423 and 84436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84423 and 84436, than apply into the LCM equation.

GCF(84423,84436) = 1
LCM(84423,84436) = ( 84423 × 84436) / 1
LCM(84423,84436) = 7128340428 / 1
LCM(84423,84436) = 7128340428

Least Common Multiple (LCM) of 84423 and 84436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84423 and 84436. First we will calculate the prime factors of 84423 and 84436.

Prime Factorization of 84423

Prime factors of 84423 are 3, 107, 263. Prime factorization of 84423 in exponential form is:

84423 = 31 × 1071 × 2631

Prime Factorization of 84436

Prime factors of 84436 are 2, 11, 19, 101. Prime factorization of 84436 in exponential form is:

84436 = 22 × 111 × 191 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 84423 and 84436.

LCM(84423,84436) = 31 × 1071 × 2631 × 22 × 111 × 191 × 1011
LCM(84423,84436) = 7128340428