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What is the Least Common Multiple of 72738 and 72757?

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 72757 is 5292198666.

LCM(72738,72757) = 5292198666

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Least Common Multiple of 72738 and 72757 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 72757, than apply into the LCM equation.

GCF(72738,72757) = 1
LCM(72738,72757) = ( 72738 × 72757) / 1
LCM(72738,72757) = 5292198666 / 1
LCM(72738,72757) = 5292198666

Least Common Multiple (LCM) of 72738 and 72757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72738 and 72757. First we will calculate the prime factors of 72738 and 72757.

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 72757

Prime factors of 72757 are 31, 2347. Prime factorization of 72757 in exponential form is:

72757 = 311 × 23471

Now multiplying the highest exponent prime factors to calculate the LCM of 72738 and 72757.

LCM(72738,72757) = 21 × 34 × 4491 × 311 × 23471
LCM(72738,72757) = 5292198666