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What is the Least Common Multiple of 97898 and 97908?

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 97898 and 97908 is 4792498692.

LCM(97898,97908) = 4792498692

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Least Common Multiple of 97898 and 97908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97898 and 97908, than apply into the LCM equation.

GCF(97898,97908) = 2
LCM(97898,97908) = ( 97898 × 97908) / 2
LCM(97898,97908) = 9584997384 / 2
LCM(97898,97908) = 4792498692

Least Common Multiple (LCM) of 97898 and 97908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97898 and 97908. First we will calculate the prime factors of 97898 and 97908.

Prime Factorization of 97898

Prime factors of 97898 are 2, 31, 1579. Prime factorization of 97898 in exponential form is:

97898 = 21 × 311 × 15791

Prime Factorization of 97908

Prime factors of 97908 are 2, 3, 41, 199. Prime factorization of 97908 in exponential form is:

97908 = 22 × 31 × 411 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 97898 and 97908.

LCM(97898,97908) = 22 × 311 × 15791 × 31 × 411 × 1991
LCM(97898,97908) = 4792498692