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What is the Least Common Multiple of 72769 and 72787?

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 72769 and 72787 is 5296637203.

LCM(72769,72787) = 5296637203

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Least Common Multiple of 72769 and 72787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72769 and 72787, than apply into the LCM equation.

GCF(72769,72787) = 1
LCM(72769,72787) = ( 72769 × 72787) / 1
LCM(72769,72787) = 5296637203 / 1
LCM(72769,72787) = 5296637203

Least Common Multiple (LCM) of 72769 and 72787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72769 and 72787. First we will calculate the prime factors of 72769 and 72787.

Prime Factorization of 72769

Prime factors of 72769 are 53, 1373. Prime factorization of 72769 in exponential form is:

72769 = 531 × 13731

Prime Factorization of 72787

Prime factors of 72787 are 11, 13, 509. Prime factorization of 72787 in exponential form is:

72787 = 111 × 131 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 72769 and 72787.

LCM(72769,72787) = 531 × 13731 × 111 × 131 × 5091
LCM(72769,72787) = 5296637203