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What is the Least Common Multiple of 30101 and 30121?

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 30101 and 30121 is 906672221.

LCM(30101,30121) = 906672221

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Least Common Multiple of 30101 and 30121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30101 and 30121, than apply into the LCM equation.

GCF(30101,30121) = 1
LCM(30101,30121) = ( 30101 × 30121) / 1
LCM(30101,30121) = 906672221 / 1
LCM(30101,30121) = 906672221

Least Common Multiple (LCM) of 30101 and 30121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30101 and 30121. First we will calculate the prime factors of 30101 and 30121.

Prime Factorization of 30101

Prime factors of 30101 are 31, 971. Prime factorization of 30101 in exponential form is:

30101 = 311 × 9711

Prime Factorization of 30121

Prime factors of 30121 are 7, 13, 331. Prime factorization of 30121 in exponential form is:

30121 = 71 × 131 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 30101 and 30121.

LCM(30101,30121) = 311 × 9711 × 71 × 131 × 3311
LCM(30101,30121) = 906672221