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What is the Least Common Multiple of 85643 and 85663?

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 85643 and 85663 is 7336436309.

LCM(85643,85663) = 7336436309

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Least Common Multiple of 85643 and 85663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85643 and 85663, than apply into the LCM equation.

GCF(85643,85663) = 1
LCM(85643,85663) = ( 85643 × 85663) / 1
LCM(85643,85663) = 7336436309 / 1
LCM(85643,85663) = 7336436309

Least Common Multiple (LCM) of 85643 and 85663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85643 and 85663. First we will calculate the prime factors of 85643 and 85663.

Prime Factorization of 85643

Prime factors of 85643 are 85643. Prime factorization of 85643 in exponential form is:

85643 = 856431

Prime Factorization of 85663

Prime factors of 85663 are 17, 5039. Prime factorization of 85663 in exponential form is:

85663 = 171 × 50391

Now multiplying the highest exponent prime factors to calculate the LCM of 85643 and 85663.

LCM(85643,85663) = 856431 × 171 × 50391
LCM(85643,85663) = 7336436309