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What is the Least Common Multiple of 97431 and 97442?

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 97431 and 97442 is 9493871502.

LCM(97431,97442) = 9493871502

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Least Common Multiple of 97431 and 97442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97431 and 97442, than apply into the LCM equation.

GCF(97431,97442) = 1
LCM(97431,97442) = ( 97431 × 97442) / 1
LCM(97431,97442) = 9493871502 / 1
LCM(97431,97442) = 9493871502

Least Common Multiple (LCM) of 97431 and 97442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97431 and 97442. First we will calculate the prime factors of 97431 and 97442.

Prime Factorization of 97431

Prime factors of 97431 are 3, 47, 691. Prime factorization of 97431 in exponential form is:

97431 = 31 × 471 × 6911

Prime Factorization of 97442

Prime factors of 97442 are 2, 83, 587. Prime factorization of 97442 in exponential form is:

97442 = 21 × 831 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 97431 and 97442.

LCM(97431,97442) = 31 × 471 × 6911 × 21 × 831 × 5871
LCM(97431,97442) = 9493871502