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What is the Least Common Multiple of 89505 and 89518?

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 89505 and 89518 is 616331430.

LCM(89505,89518) = 616331430

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Least Common Multiple of 89505 and 89518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89505 and 89518, than apply into the LCM equation.

GCF(89505,89518) = 13
LCM(89505,89518) = ( 89505 × 89518) / 13
LCM(89505,89518) = 8012308590 / 13
LCM(89505,89518) = 616331430

Least Common Multiple (LCM) of 89505 and 89518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89505 and 89518. First we will calculate the prime factors of 89505 and 89518.

Prime Factorization of 89505

Prime factors of 89505 are 3, 5, 13, 17. Prime factorization of 89505 in exponential form is:

89505 = 34 × 51 × 131 × 171

Prime Factorization of 89518

Prime factors of 89518 are 2, 11, 13, 313. Prime factorization of 89518 in exponential form is:

89518 = 21 × 111 × 131 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 89505 and 89518.

LCM(89505,89518) = 34 × 51 × 131 × 171 × 21 × 111 × 3131
LCM(89505,89518) = 616331430