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What is the Least Common Multiple of 97419 and 97430?

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 97419 and 97430 is 9491533170.

LCM(97419,97430) = 9491533170

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Least Common Multiple of 97419 and 97430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97419 and 97430, than apply into the LCM equation.

GCF(97419,97430) = 1
LCM(97419,97430) = ( 97419 × 97430) / 1
LCM(97419,97430) = 9491533170 / 1
LCM(97419,97430) = 9491533170

Least Common Multiple (LCM) of 97419 and 97430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97419 and 97430. First we will calculate the prime factors of 97419 and 97430.

Prime Factorization of 97419

Prime factors of 97419 are 3, 7, 4639. Prime factorization of 97419 in exponential form is:

97419 = 31 × 71 × 46391

Prime Factorization of 97430

Prime factors of 97430 are 2, 5, 9743. Prime factorization of 97430 in exponential form is:

97430 = 21 × 51 × 97431

Now multiplying the highest exponent prime factors to calculate the LCM of 97419 and 97430.

LCM(97419,97430) = 31 × 71 × 46391 × 21 × 51 × 97431
LCM(97419,97430) = 9491533170