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What is the Least Common Multiple of 89742 and 89746?

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 89742 and 89746 is 4026992766.

LCM(89742,89746) = 4026992766

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Least Common Multiple of 89742 and 89746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89742 and 89746, than apply into the LCM equation.

GCF(89742,89746) = 2
LCM(89742,89746) = ( 89742 × 89746) / 2
LCM(89742,89746) = 8053985532 / 2
LCM(89742,89746) = 4026992766

Least Common Multiple (LCM) of 89742 and 89746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89742 and 89746. First we will calculate the prime factors of 89742 and 89746.

Prime Factorization of 89742

Prime factors of 89742 are 2, 3, 14957. Prime factorization of 89742 in exponential form is:

89742 = 21 × 31 × 149571

Prime Factorization of 89746

Prime factors of 89746 are 2, 23, 1951. Prime factorization of 89746 in exponential form is:

89746 = 21 × 231 × 19511

Now multiplying the highest exponent prime factors to calculate the LCM of 89742 and 89746.

LCM(89742,89746) = 21 × 31 × 149571 × 231 × 19511
LCM(89742,89746) = 4026992766