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What is the Least Common Multiple of 74861 and 74881?

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 74861 and 74881 is 5605666541.

LCM(74861,74881) = 5605666541

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Least Common Multiple of 74861 and 74881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74861 and 74881, than apply into the LCM equation.

GCF(74861,74881) = 1
LCM(74861,74881) = ( 74861 × 74881) / 1
LCM(74861,74881) = 5605666541 / 1
LCM(74861,74881) = 5605666541

Least Common Multiple (LCM) of 74861 and 74881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74861 and 74881. First we will calculate the prime factors of 74861 and 74881.

Prime Factorization of 74861

Prime factors of 74861 are 74861. Prime factorization of 74861 in exponential form is:

74861 = 748611

Prime Factorization of 74881

Prime factors of 74881 are 103, 727. Prime factorization of 74881 in exponential form is:

74881 = 1031 × 7271

Now multiplying the highest exponent prime factors to calculate the LCM of 74861 and 74881.

LCM(74861,74881) = 748611 × 1031 × 7271
LCM(74861,74881) = 5605666541