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What is the Least Common Multiple of 97989 and 97995?

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 97989 and 97995 is 3200810685.

LCM(97989,97995) = 3200810685

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Least Common Multiple of 97989 and 97995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97989 and 97995, than apply into the LCM equation.

GCF(97989,97995) = 3
LCM(97989,97995) = ( 97989 × 97995) / 3
LCM(97989,97995) = 9602432055 / 3
LCM(97989,97995) = 3200810685

Least Common Multiple (LCM) of 97989 and 97995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97989 and 97995. First we will calculate the prime factors of 97989 and 97995.

Prime Factorization of 97989

Prime factors of 97989 are 3, 89, 367. Prime factorization of 97989 in exponential form is:

97989 = 31 × 891 × 3671

Prime Factorization of 97995

Prime factors of 97995 are 3, 5, 47, 139. Prime factorization of 97995 in exponential form is:

97995 = 31 × 51 × 471 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 97989 and 97995.

LCM(97989,97995) = 31 × 891 × 3671 × 51 × 471 × 1391
LCM(97989,97995) = 3200810685