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What is the Least Common Multiple of 99771 and 99781?

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 99771 and 99781 is 9955250151.

LCM(99771,99781) = 9955250151

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Least Common Multiple of 99771 and 99781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99771 and 99781, than apply into the LCM equation.

GCF(99771,99781) = 1
LCM(99771,99781) = ( 99771 × 99781) / 1
LCM(99771,99781) = 9955250151 / 1
LCM(99771,99781) = 9955250151

Least Common Multiple (LCM) of 99771 and 99781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99771 and 99781. First we will calculate the prime factors of 99771 and 99781.

Prime Factorization of 99771

Prime factors of 99771 are 3, 7, 4751. Prime factorization of 99771 in exponential form is:

99771 = 31 × 71 × 47511

Prime Factorization of 99781

Prime factors of 99781 are 11, 47, 193. Prime factorization of 99781 in exponential form is:

99781 = 111 × 471 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 99771 and 99781.

LCM(99771,99781) = 31 × 71 × 47511 × 111 × 471 × 1931
LCM(99771,99781) = 9955250151