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What is the Least Common Multiple of 72713 and 72728?

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 72713 and 72728 is 5288271064.

LCM(72713,72728) = 5288271064

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Least Common Multiple of 72713 and 72728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72713 and 72728, than apply into the LCM equation.

GCF(72713,72728) = 1
LCM(72713,72728) = ( 72713 × 72728) / 1
LCM(72713,72728) = 5288271064 / 1
LCM(72713,72728) = 5288271064

Least Common Multiple (LCM) of 72713 and 72728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72713 and 72728. First we will calculate the prime factors of 72713 and 72728.

Prime Factorization of 72713

Prime factors of 72713 are 19, 43, 89. Prime factorization of 72713 in exponential form is:

72713 = 191 × 431 × 891

Prime Factorization of 72728

Prime factors of 72728 are 2, 9091. Prime factorization of 72728 in exponential form is:

72728 = 23 × 90911

Now multiplying the highest exponent prime factors to calculate the LCM of 72713 and 72728.

LCM(72713,72728) = 191 × 431 × 891 × 23 × 90911
LCM(72713,72728) = 5288271064