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What is the Least Common Multiple of 19797 and 19801?

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 19797 and 19801 is 392000397.

LCM(19797,19801) = 392000397

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Least Common Multiple of 19797 and 19801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19797 and 19801, than apply into the LCM equation.

GCF(19797,19801) = 1
LCM(19797,19801) = ( 19797 × 19801) / 1
LCM(19797,19801) = 392000397 / 1
LCM(19797,19801) = 392000397

Least Common Multiple (LCM) of 19797 and 19801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19797 and 19801. First we will calculate the prime factors of 19797 and 19801.

Prime Factorization of 19797

Prime factors of 19797 are 3, 6599. Prime factorization of 19797 in exponential form is:

19797 = 31 × 65991

Prime Factorization of 19801

Prime factors of 19801 are 19801. Prime factorization of 19801 in exponential form is:

19801 = 198011

Now multiplying the highest exponent prime factors to calculate the LCM of 19797 and 19801.

LCM(19797,19801) = 31 × 65991 × 198011
LCM(19797,19801) = 392000397