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What is the Least Common Multiple of 70180 and 70191?

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 70180 and 70191 is 447818580.

LCM(70180,70191) = 447818580

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Least Common Multiple of 70180 and 70191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70180 and 70191, than apply into the LCM equation.

GCF(70180,70191) = 11
LCM(70180,70191) = ( 70180 × 70191) / 11
LCM(70180,70191) = 4926004380 / 11
LCM(70180,70191) = 447818580

Least Common Multiple (LCM) of 70180 and 70191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70180 and 70191. First we will calculate the prime factors of 70180 and 70191.

Prime Factorization of 70180

Prime factors of 70180 are 2, 5, 11, 29. Prime factorization of 70180 in exponential form is:

70180 = 22 × 51 × 112 × 291

Prime Factorization of 70191

Prime factors of 70191 are 3, 11, 709. Prime factorization of 70191 in exponential form is:

70191 = 32 × 111 × 7091

Now multiplying the highest exponent prime factors to calculate the LCM of 70180 and 70191.

LCM(70180,70191) = 22 × 51 × 112 × 291 × 32 × 7091
LCM(70180,70191) = 447818580