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What is the Least Common Multiple of 97801 and 97821?

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 97801 and 97821 is 9566991621.

LCM(97801,97821) = 9566991621

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Least Common Multiple of 97801 and 97821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97801 and 97821, than apply into the LCM equation.

GCF(97801,97821) = 1
LCM(97801,97821) = ( 97801 × 97821) / 1
LCM(97801,97821) = 9566991621 / 1
LCM(97801,97821) = 9566991621

Least Common Multiple (LCM) of 97801 and 97821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97801 and 97821. First we will calculate the prime factors of 97801 and 97821.

Prime Factorization of 97801

Prime factors of 97801 are 11, 17, 523. Prime factorization of 97801 in exponential form is:

97801 = 111 × 171 × 5231

Prime Factorization of 97821

Prime factors of 97821 are 3, 3623. Prime factorization of 97821 in exponential form is:

97821 = 33 × 36231

Now multiplying the highest exponent prime factors to calculate the LCM of 97801 and 97821.

LCM(97801,97821) = 111 × 171 × 5231 × 33 × 36231
LCM(97801,97821) = 9566991621