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What is the Least Common Multiple of 80685 and 80697?

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 80685 and 80697 is 2170345815.

LCM(80685,80697) = 2170345815

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Least Common Multiple of 80685 and 80697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80685 and 80697, than apply into the LCM equation.

GCF(80685,80697) = 3
LCM(80685,80697) = ( 80685 × 80697) / 3
LCM(80685,80697) = 6511037445 / 3
LCM(80685,80697) = 2170345815

Least Common Multiple (LCM) of 80685 and 80697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80685 and 80697. First we will calculate the prime factors of 80685 and 80697.

Prime Factorization of 80685

Prime factors of 80685 are 3, 5, 11, 163. Prime factorization of 80685 in exponential form is:

80685 = 32 × 51 × 111 × 1631

Prime Factorization of 80697

Prime factors of 80697 are 3, 37, 727. Prime factorization of 80697 in exponential form is:

80697 = 31 × 371 × 7271

Now multiplying the highest exponent prime factors to calculate the LCM of 80685 and 80697.

LCM(80685,80697) = 32 × 51 × 111 × 1631 × 371 × 7271
LCM(80685,80697) = 2170345815