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What is the Least Common Multiple of 97309 and 97318?

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 97309 and 97318 is 9469917262.

LCM(97309,97318) = 9469917262

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Least Common Multiple of 97309 and 97318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97309 and 97318, than apply into the LCM equation.

GCF(97309,97318) = 1
LCM(97309,97318) = ( 97309 × 97318) / 1
LCM(97309,97318) = 9469917262 / 1
LCM(97309,97318) = 9469917262

Least Common Multiple (LCM) of 97309 and 97318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97309 and 97318. First we will calculate the prime factors of 97309 and 97318.

Prime Factorization of 97309

Prime factors of 97309 are 31, 43, 73. Prime factorization of 97309 in exponential form is:

97309 = 311 × 431 × 731

Prime Factorization of 97318

Prime factors of 97318 are 2, 13, 19, 197. Prime factorization of 97318 in exponential form is:

97318 = 21 × 131 × 191 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 97309 and 97318.

LCM(97309,97318) = 311 × 431 × 731 × 21 × 131 × 191 × 1971
LCM(97309,97318) = 9469917262