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What is the Least Common Multiple of 74619 and 74638?

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 74619 and 74638 is 5569412922.

LCM(74619,74638) = 5569412922

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Least Common Multiple of 74619 and 74638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74619 and 74638, than apply into the LCM equation.

GCF(74619,74638) = 1
LCM(74619,74638) = ( 74619 × 74638) / 1
LCM(74619,74638) = 5569412922 / 1
LCM(74619,74638) = 5569412922

Least Common Multiple (LCM) of 74619 and 74638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74619 and 74638. First we will calculate the prime factors of 74619 and 74638.

Prime Factorization of 74619

Prime factors of 74619 are 3, 8291. Prime factorization of 74619 in exponential form is:

74619 = 32 × 82911

Prime Factorization of 74638

Prime factors of 74638 are 2, 67, 557. Prime factorization of 74638 in exponential form is:

74638 = 21 × 671 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 74619 and 74638.

LCM(74619,74638) = 32 × 82911 × 21 × 671 × 5571
LCM(74619,74638) = 5569412922