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What is the Least Common Multiple of 74868 and 74878?

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 74868 and 74878 is 2802983052.

LCM(74868,74878) = 2802983052

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Least Common Multiple of 74868 and 74878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74868 and 74878, than apply into the LCM equation.

GCF(74868,74878) = 2
LCM(74868,74878) = ( 74868 × 74878) / 2
LCM(74868,74878) = 5605966104 / 2
LCM(74868,74878) = 2802983052

Least Common Multiple (LCM) of 74868 and 74878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74868 and 74878. First we will calculate the prime factors of 74868 and 74878.

Prime Factorization of 74868

Prime factors of 74868 are 2, 3, 17, 367. Prime factorization of 74868 in exponential form is:

74868 = 22 × 31 × 171 × 3671

Prime Factorization of 74878

Prime factors of 74878 are 2, 29, 1291. Prime factorization of 74878 in exponential form is:

74878 = 21 × 291 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 74868 and 74878.

LCM(74868,74878) = 22 × 31 × 171 × 3671 × 291 × 12911
LCM(74868,74878) = 2802983052