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What is the Least Common Multiple of 74103 and 74121?

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 74103 and 74121 is 1830862821.

LCM(74103,74121) = 1830862821

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Least Common Multiple of 74103 and 74121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74103 and 74121, than apply into the LCM equation.

GCF(74103,74121) = 3
LCM(74103,74121) = ( 74103 × 74121) / 3
LCM(74103,74121) = 5492588463 / 3
LCM(74103,74121) = 1830862821

Least Common Multiple (LCM) of 74103 and 74121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74103 and 74121. First we will calculate the prime factors of 74103 and 74121.

Prime Factorization of 74103

Prime factors of 74103 are 3, 17, 1453. Prime factorization of 74103 in exponential form is:

74103 = 31 × 171 × 14531

Prime Factorization of 74121

Prime factors of 74121 are 3, 31, 797. Prime factorization of 74121 in exponential form is:

74121 = 31 × 311 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 74103 and 74121.

LCM(74103,74121) = 31 × 171 × 14531 × 311 × 7971
LCM(74103,74121) = 1830862821