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What is the Least Common Multiple of 99438 and 99457?

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 99457 is 9889805166.

LCM(99438,99457) = 9889805166

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Least Common Multiple of 99438 and 99457 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 99457, than apply into the LCM equation.

GCF(99438,99457) = 1
LCM(99438,99457) = ( 99438 × 99457) / 1
LCM(99438,99457) = 9889805166 / 1
LCM(99438,99457) = 9889805166

Least Common Multiple (LCM) of 99438 and 99457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99438 and 99457. First we will calculate the prime factors of 99438 and 99457.

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 99457

Prime factors of 99457 are 271, 367. Prime factorization of 99457 in exponential form is:

99457 = 2711 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 99438 and 99457.

LCM(99438,99457) = 21 × 31 × 165731 × 2711 × 3671
LCM(99438,99457) = 9889805166