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What is the Least Common Multiple of 87942 and 87954?

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 87942 and 87954 is 1289141778.

LCM(87942,87954) = 1289141778

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Least Common Multiple of 87942 and 87954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87942 and 87954, than apply into the LCM equation.

GCF(87942,87954) = 6
LCM(87942,87954) = ( 87942 × 87954) / 6
LCM(87942,87954) = 7734850668 / 6
LCM(87942,87954) = 1289141778

Least Common Multiple (LCM) of 87942 and 87954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87942 and 87954. First we will calculate the prime factors of 87942 and 87954.

Prime Factorization of 87942

Prime factors of 87942 are 2, 3, 14657. Prime factorization of 87942 in exponential form is:

87942 = 21 × 31 × 146571

Prime Factorization of 87954

Prime factors of 87954 are 2, 3, 107, 137. Prime factorization of 87954 in exponential form is:

87954 = 21 × 31 × 1071 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 87942 and 87954.

LCM(87942,87954) = 21 × 31 × 146571 × 1071 × 1371
LCM(87942,87954) = 1289141778