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What is the Least Common Multiple of 72380 and 72397?

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 72380 and 72397 is 5240094860.

LCM(72380,72397) = 5240094860

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Least Common Multiple of 72380 and 72397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72380 and 72397, than apply into the LCM equation.

GCF(72380,72397) = 1
LCM(72380,72397) = ( 72380 × 72397) / 1
LCM(72380,72397) = 5240094860 / 1
LCM(72380,72397) = 5240094860

Least Common Multiple (LCM) of 72380 and 72397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72380 and 72397. First we will calculate the prime factors of 72380 and 72397.

Prime Factorization of 72380

Prime factors of 72380 are 2, 5, 7, 11, 47. Prime factorization of 72380 in exponential form is:

72380 = 22 × 51 × 71 × 111 × 471

Prime Factorization of 72397

Prime factors of 72397 are 13, 5569. Prime factorization of 72397 in exponential form is:

72397 = 131 × 55691

Now multiplying the highest exponent prime factors to calculate the LCM of 72380 and 72397.

LCM(72380,72397) = 22 × 51 × 71 × 111 × 471 × 131 × 55691
LCM(72380,72397) = 5240094860