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What is the Least Common Multiple of 65505 and 65523?

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 65505 and 65523 is 1430694705.

LCM(65505,65523) = 1430694705

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Least Common Multiple of 65505 and 65523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65505 and 65523, than apply into the LCM equation.

GCF(65505,65523) = 3
LCM(65505,65523) = ( 65505 × 65523) / 3
LCM(65505,65523) = 4292084115 / 3
LCM(65505,65523) = 1430694705

Least Common Multiple (LCM) of 65505 and 65523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65505 and 65523. First we will calculate the prime factors of 65505 and 65523.

Prime Factorization of 65505

Prime factors of 65505 are 3, 5, 11, 397. Prime factorization of 65505 in exponential form is:

65505 = 31 × 51 × 111 × 3971

Prime Factorization of 65523

Prime factors of 65523 are 3, 21841. Prime factorization of 65523 in exponential form is:

65523 = 31 × 218411

Now multiplying the highest exponent prime factors to calculate the LCM of 65505 and 65523.

LCM(65505,65523) = 31 × 51 × 111 × 3971 × 218411
LCM(65505,65523) = 1430694705