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What is the Least Common Multiple of 80673 and 80688?

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 80673 and 80688 is 2169781008.

LCM(80673,80688) = 2169781008

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Least Common Multiple of 80673 and 80688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80673 and 80688, than apply into the LCM equation.

GCF(80673,80688) = 3
LCM(80673,80688) = ( 80673 × 80688) / 3
LCM(80673,80688) = 6509343024 / 3
LCM(80673,80688) = 2169781008

Least Common Multiple (LCM) of 80673 and 80688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80673 and 80688. First we will calculate the prime factors of 80673 and 80688.

Prime Factorization of 80673

Prime factors of 80673 are 3, 26891. Prime factorization of 80673 in exponential form is:

80673 = 31 × 268911

Prime Factorization of 80688

Prime factors of 80688 are 2, 3, 41. Prime factorization of 80688 in exponential form is:

80688 = 24 × 31 × 412

Now multiplying the highest exponent prime factors to calculate the LCM of 80673 and 80688.

LCM(80673,80688) = 31 × 268911 × 24 × 412
LCM(80673,80688) = 2169781008