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What is the Least Common Multiple of 97721 and 97734?

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 97721 and 97734 is 734666478.

LCM(97721,97734) = 734666478

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Least Common Multiple of 97721 and 97734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97721 and 97734, than apply into the LCM equation.

GCF(97721,97734) = 13
LCM(97721,97734) = ( 97721 × 97734) / 13
LCM(97721,97734) = 9550664214 / 13
LCM(97721,97734) = 734666478

Least Common Multiple (LCM) of 97721 and 97734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97721 and 97734. First we will calculate the prime factors of 97721 and 97734.

Prime Factorization of 97721

Prime factors of 97721 are 13, 7517. Prime factorization of 97721 in exponential form is:

97721 = 131 × 75171

Prime Factorization of 97734

Prime factors of 97734 are 2, 3, 7, 13, 179. Prime factorization of 97734 in exponential form is:

97734 = 21 × 31 × 71 × 131 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 97721 and 97734.

LCM(97721,97734) = 131 × 75171 × 21 × 31 × 71 × 1791
LCM(97721,97734) = 734666478