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What is the Least Common Multiple of 65340 and 65360?

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 65340 and 65360 is 213531120.

LCM(65340,65360) = 213531120

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Least Common Multiple of 65340 and 65360 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65340 and 65360, than apply into the LCM equation.

GCF(65340,65360) = 20
LCM(65340,65360) = ( 65340 × 65360) / 20
LCM(65340,65360) = 4270622400 / 20
LCM(65340,65360) = 213531120

Least Common Multiple (LCM) of 65340 and 65360 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65340 and 65360. First we will calculate the prime factors of 65340 and 65360.

Prime Factorization of 65340

Prime factors of 65340 are 2, 3, 5, 11. Prime factorization of 65340 in exponential form is:

65340 = 22 × 33 × 51 × 112

Prime Factorization of 65360

Prime factors of 65360 are 2, 5, 19, 43. Prime factorization of 65360 in exponential form is:

65360 = 24 × 51 × 191 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 65340 and 65360.

LCM(65340,65360) = 24 × 33 × 51 × 112 × 191 × 431
LCM(65340,65360) = 213531120