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What is the Least Common Multiple of 74181 and 74198?

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 74181 and 74198 is 5504081838.

LCM(74181,74198) = 5504081838

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Least Common Multiple of 74181 and 74198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74181 and 74198, than apply into the LCM equation.

GCF(74181,74198) = 1
LCM(74181,74198) = ( 74181 × 74198) / 1
LCM(74181,74198) = 5504081838 / 1
LCM(74181,74198) = 5504081838

Least Common Multiple (LCM) of 74181 and 74198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74181 and 74198. First we will calculate the prime factors of 74181 and 74198.

Prime Factorization of 74181

Prime factors of 74181 are 3, 79, 313. Prime factorization of 74181 in exponential form is:

74181 = 31 × 791 × 3131

Prime Factorization of 74198

Prime factors of 74198 are 2, 23, 1613. Prime factorization of 74198 in exponential form is:

74198 = 21 × 231 × 16131

Now multiplying the highest exponent prime factors to calculate the LCM of 74181 and 74198.

LCM(74181,74198) = 31 × 791 × 3131 × 21 × 231 × 16131
LCM(74181,74198) = 5504081838