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What is the Least Common Multiple of 72322 and 72340?

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 72322 and 72340 is 2615886740.

LCM(72322,72340) = 2615886740

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Least Common Multiple of 72322 and 72340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72322 and 72340, than apply into the LCM equation.

GCF(72322,72340) = 2
LCM(72322,72340) = ( 72322 × 72340) / 2
LCM(72322,72340) = 5231773480 / 2
LCM(72322,72340) = 2615886740

Least Common Multiple (LCM) of 72322 and 72340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72322 and 72340. First we will calculate the prime factors of 72322 and 72340.

Prime Factorization of 72322

Prime factors of 72322 are 2, 36161. Prime factorization of 72322 in exponential form is:

72322 = 21 × 361611

Prime Factorization of 72340

Prime factors of 72340 are 2, 5, 3617. Prime factorization of 72340 in exponential form is:

72340 = 22 × 51 × 36171

Now multiplying the highest exponent prime factors to calculate the LCM of 72322 and 72340.

LCM(72322,72340) = 22 × 361611 × 51 × 36171
LCM(72322,72340) = 2615886740