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What is the Least Common Multiple of 72836 and 72842?

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 72836 and 72842 is 2652759956.

LCM(72836,72842) = 2652759956

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Least Common Multiple of 72836 and 72842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72836 and 72842, than apply into the LCM equation.

GCF(72836,72842) = 2
LCM(72836,72842) = ( 72836 × 72842) / 2
LCM(72836,72842) = 5305519912 / 2
LCM(72836,72842) = 2652759956

Least Common Multiple (LCM) of 72836 and 72842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72836 and 72842. First we will calculate the prime factors of 72836 and 72842.

Prime Factorization of 72836

Prime factors of 72836 are 2, 131, 139. Prime factorization of 72836 in exponential form is:

72836 = 22 × 1311 × 1391

Prime Factorization of 72842

Prime factors of 72842 are 2, 7, 11, 43. Prime factorization of 72842 in exponential form is:

72842 = 21 × 71 × 112 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 72836 and 72842.

LCM(72836,72842) = 22 × 1311 × 1391 × 71 × 112 × 431
LCM(72836,72842) = 2652759956