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What is the Least Common Multiple of 72738 and 72751?

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 72738 and 72751 is 5291762238.

LCM(72738,72751) = 5291762238

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Least Common Multiple of 72738 and 72751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72738 and 72751, than apply into the LCM equation.

GCF(72738,72751) = 1
LCM(72738,72751) = ( 72738 × 72751) / 1
LCM(72738,72751) = 5291762238 / 1
LCM(72738,72751) = 5291762238

Least Common Multiple (LCM) of 72738 and 72751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72738 and 72751. First we will calculate the prime factors of 72738 and 72751.

Prime Factorization of 72738

Prime factors of 72738 are 2, 3, 449. Prime factorization of 72738 in exponential form is:

72738 = 21 × 34 × 4491

Prime Factorization of 72751

Prime factors of 72751 are 7, 19, 547. Prime factorization of 72751 in exponential form is:

72751 = 71 × 191 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 72738 and 72751.

LCM(72738,72751) = 21 × 34 × 4491 × 71 × 191 × 5471
LCM(72738,72751) = 5291762238