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What is the Least Common Multiple of 94638 and 94642?

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 94638 and 94642 is 4478364798.

LCM(94638,94642) = 4478364798

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Least Common Multiple of 94638 and 94642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 94638 and 94642, than apply into the LCM equation.

GCF(94638,94642) = 2
LCM(94638,94642) = ( 94638 × 94642) / 2
LCM(94638,94642) = 8956729596 / 2
LCM(94638,94642) = 4478364798

Least Common Multiple (LCM) of 94638 and 94642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 94638 and 94642. First we will calculate the prime factors of 94638 and 94642.

Prime Factorization of 94638

Prime factors of 94638 are 2, 3, 15773. Prime factorization of 94638 in exponential form is:

94638 = 21 × 31 × 157731

Prime Factorization of 94642

Prime factors of 94642 are 2, 79, 599. Prime factorization of 94642 in exponential form is:

94642 = 21 × 791 × 5991

Now multiplying the highest exponent prime factors to calculate the LCM of 94638 and 94642.

LCM(94638,94642) = 21 × 31 × 157731 × 791 × 5991
LCM(94638,94642) = 4478364798