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What is the Least Common Multiple of 77112 and 77124?

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 77112 and 77124 is 495598824.

LCM(77112,77124) = 495598824

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Least Common Multiple of 77112 and 77124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77112 and 77124, than apply into the LCM equation.

GCF(77112,77124) = 12
LCM(77112,77124) = ( 77112 × 77124) / 12
LCM(77112,77124) = 5947185888 / 12
LCM(77112,77124) = 495598824

Least Common Multiple (LCM) of 77112 and 77124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77112 and 77124. First we will calculate the prime factors of 77112 and 77124.

Prime Factorization of 77112

Prime factors of 77112 are 2, 3, 7, 17. Prime factorization of 77112 in exponential form is:

77112 = 23 × 34 × 71 × 171

Prime Factorization of 77124

Prime factors of 77124 are 2, 3, 6427. Prime factorization of 77124 in exponential form is:

77124 = 22 × 31 × 64271

Now multiplying the highest exponent prime factors to calculate the LCM of 77112 and 77124.

LCM(77112,77124) = 23 × 34 × 71 × 171 × 64271
LCM(77112,77124) = 495598824