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What is the Least Common Multiple of 74673 and 74679?

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 74673 and 74679 is 1858834989.

LCM(74673,74679) = 1858834989

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Least Common Multiple of 74673 and 74679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74673 and 74679, than apply into the LCM equation.

GCF(74673,74679) = 3
LCM(74673,74679) = ( 74673 × 74679) / 3
LCM(74673,74679) = 5576504967 / 3
LCM(74673,74679) = 1858834989

Least Common Multiple (LCM) of 74673 and 74679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74673 and 74679. First we will calculate the prime factors of 74673 and 74679.

Prime Factorization of 74673

Prime factors of 74673 are 3, 8297. Prime factorization of 74673 in exponential form is:

74673 = 32 × 82971

Prime Factorization of 74679

Prime factors of 74679 are 3, 11, 31, 73. Prime factorization of 74679 in exponential form is:

74679 = 31 × 111 × 311 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 74673 and 74679.

LCM(74673,74679) = 32 × 82971 × 111 × 311 × 731
LCM(74673,74679) = 1858834989