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What is the Least Common Multiple of 10101 and 10121?

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 10101 and 10121 is 102232221.

LCM(10101,10121) = 102232221

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Least Common Multiple of 10101 and 10121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10101 and 10121, than apply into the LCM equation.

GCF(10101,10121) = 1
LCM(10101,10121) = ( 10101 × 10121) / 1
LCM(10101,10121) = 102232221 / 1
LCM(10101,10121) = 102232221

Least Common Multiple (LCM) of 10101 and 10121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10101 and 10121. First we will calculate the prime factors of 10101 and 10121.

Prime Factorization of 10101

Prime factors of 10101 are 3, 7, 13, 37. Prime factorization of 10101 in exponential form is:

10101 = 31 × 71 × 131 × 371

Prime Factorization of 10121

Prime factors of 10121 are 29, 349. Prime factorization of 10121 in exponential form is:

10121 = 291 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 10101 and 10121.

LCM(10101,10121) = 31 × 71 × 131 × 371 × 291 × 3491
LCM(10101,10121) = 102232221