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What is the Least Common Multiple of 72642 and 72650?

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 72642 and 72650 is 2638720650.

LCM(72642,72650) = 2638720650

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Least Common Multiple of 72642 and 72650 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72642 and 72650, than apply into the LCM equation.

GCF(72642,72650) = 2
LCM(72642,72650) = ( 72642 × 72650) / 2
LCM(72642,72650) = 5277441300 / 2
LCM(72642,72650) = 2638720650

Least Common Multiple (LCM) of 72642 and 72650 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72642 and 72650. First we will calculate the prime factors of 72642 and 72650.

Prime Factorization of 72642

Prime factors of 72642 are 2, 3, 12107. Prime factorization of 72642 in exponential form is:

72642 = 21 × 31 × 121071

Prime Factorization of 72650

Prime factors of 72650 are 2, 5, 1453. Prime factorization of 72650 in exponential form is:

72650 = 21 × 52 × 14531

Now multiplying the highest exponent prime factors to calculate the LCM of 72642 and 72650.

LCM(72642,72650) = 21 × 31 × 121071 × 52 × 14531
LCM(72642,72650) = 2638720650