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What is the Least Common Multiple of 74151 and 74166?

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 74151 and 74166 is 1833161022.

LCM(74151,74166) = 1833161022

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Least Common Multiple of 74151 and 74166 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74151 and 74166, than apply into the LCM equation.

GCF(74151,74166) = 3
LCM(74151,74166) = ( 74151 × 74166) / 3
LCM(74151,74166) = 5499483066 / 3
LCM(74151,74166) = 1833161022

Least Common Multiple (LCM) of 74151 and 74166 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74151 and 74166. First we will calculate the prime factors of 74151 and 74166.

Prime Factorization of 74151

Prime factors of 74151 are 3, 7, 11, 107. Prime factorization of 74151 in exponential form is:

74151 = 32 × 71 × 111 × 1071

Prime Factorization of 74166

Prime factors of 74166 are 2, 3, 47, 263. Prime factorization of 74166 in exponential form is:

74166 = 21 × 31 × 471 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 74151 and 74166.

LCM(74151,74166) = 32 × 71 × 111 × 1071 × 21 × 471 × 2631
LCM(74151,74166) = 1833161022