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What is the Least Common Multiple of 74461 and 74478?

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 74461 and 74478 is 5545706358.

LCM(74461,74478) = 5545706358

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Least Common Multiple of 74461 and 74478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74461 and 74478, than apply into the LCM equation.

GCF(74461,74478) = 1
LCM(74461,74478) = ( 74461 × 74478) / 1
LCM(74461,74478) = 5545706358 / 1
LCM(74461,74478) = 5545706358

Least Common Multiple (LCM) of 74461 and 74478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74461 and 74478. First we will calculate the prime factors of 74461 and 74478.

Prime Factorization of 74461

Prime factors of 74461 are 19, 3919. Prime factorization of 74461 in exponential form is:

74461 = 191 × 39191

Prime Factorization of 74478

Prime factors of 74478 are 2, 3, 12413. Prime factorization of 74478 in exponential form is:

74478 = 21 × 31 × 124131

Now multiplying the highest exponent prime factors to calculate the LCM of 74461 and 74478.

LCM(74461,74478) = 191 × 39191 × 21 × 31 × 124131
LCM(74461,74478) = 5545706358