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What is the Least Common Multiple of 74631 and 74649?

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 74631 and 74649 is 1857043173.

LCM(74631,74649) = 1857043173

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Least Common Multiple of 74631 and 74649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74631 and 74649, than apply into the LCM equation.

GCF(74631,74649) = 3
LCM(74631,74649) = ( 74631 × 74649) / 3
LCM(74631,74649) = 5571129519 / 3
LCM(74631,74649) = 1857043173

Least Common Multiple (LCM) of 74631 and 74649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74631 and 74649. First we will calculate the prime factors of 74631 and 74649.

Prime Factorization of 74631

Prime factors of 74631 are 3, 24877. Prime factorization of 74631 in exponential form is:

74631 = 31 × 248771

Prime Factorization of 74649

Prime factors of 74649 are 3, 149, 167. Prime factorization of 74649 in exponential form is:

74649 = 31 × 1491 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 74631 and 74649.

LCM(74631,74649) = 31 × 248771 × 1491 × 1671
LCM(74631,74649) = 1857043173