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What is the Least Common Multiple of 91198 and 91209?

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 91198 and 91209 is 8318078382.

LCM(91198,91209) = 8318078382

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Least Common Multiple of 91198 and 91209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91198 and 91209, than apply into the LCM equation.

GCF(91198,91209) = 1
LCM(91198,91209) = ( 91198 × 91209) / 1
LCM(91198,91209) = 8318078382 / 1
LCM(91198,91209) = 8318078382

Least Common Multiple (LCM) of 91198 and 91209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91198 and 91209. First we will calculate the prime factors of 91198 and 91209.

Prime Factorization of 91198

Prime factors of 91198 are 2, 45599. Prime factorization of 91198 in exponential form is:

91198 = 21 × 455991

Prime Factorization of 91209

Prime factors of 91209 are 3, 30403. Prime factorization of 91209 in exponential form is:

91209 = 31 × 304031

Now multiplying the highest exponent prime factors to calculate the LCM of 91198 and 91209.

LCM(91198,91209) = 21 × 455991 × 31 × 304031
LCM(91198,91209) = 8318078382