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What is the Least Common Multiple of 74874 and 74891?

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 74874 and 74891 is 5607388734.

LCM(74874,74891) = 5607388734

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Least Common Multiple of 74874 and 74891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74874 and 74891, than apply into the LCM equation.

GCF(74874,74891) = 1
LCM(74874,74891) = ( 74874 × 74891) / 1
LCM(74874,74891) = 5607388734 / 1
LCM(74874,74891) = 5607388734

Least Common Multiple (LCM) of 74874 and 74891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74874 and 74891. First we will calculate the prime factors of 74874 and 74891.

Prime Factorization of 74874

Prime factors of 74874 are 2, 3, 12479. Prime factorization of 74874 in exponential form is:

74874 = 21 × 31 × 124791

Prime Factorization of 74891

Prime factors of 74891 are 74891. Prime factorization of 74891 in exponential form is:

74891 = 748911

Now multiplying the highest exponent prime factors to calculate the LCM of 74874 and 74891.

LCM(74874,74891) = 21 × 31 × 124791 × 748911
LCM(74874,74891) = 5607388734