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What is the Least Common Multiple of 99438 and 99451?

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 99438 and 99451 is 9889208538.

LCM(99438,99451) = 9889208538

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Least Common Multiple of 99438 and 99451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99438 and 99451, than apply into the LCM equation.

GCF(99438,99451) = 1
LCM(99438,99451) = ( 99438 × 99451) / 1
LCM(99438,99451) = 9889208538 / 1
LCM(99438,99451) = 9889208538

Least Common Multiple (LCM) of 99438 and 99451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99438 and 99451. First we will calculate the prime factors of 99438 and 99451.

Prime Factorization of 99438

Prime factors of 99438 are 2, 3, 16573. Prime factorization of 99438 in exponential form is:

99438 = 21 × 31 × 165731

Prime Factorization of 99451

Prime factors of 99451 are 11, 9041. Prime factorization of 99451 in exponential form is:

99451 = 111 × 90411

Now multiplying the highest exponent prime factors to calculate the LCM of 99438 and 99451.

LCM(99438,99451) = 21 × 31 × 165731 × 111 × 90411
LCM(99438,99451) = 9889208538