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What is the Least Common Multiple of 67721 and 67735?

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 67721 and 67735 is 4587081935.

LCM(67721,67735) = 4587081935

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Least Common Multiple of 67721 and 67735 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67721 and 67735, than apply into the LCM equation.

GCF(67721,67735) = 1
LCM(67721,67735) = ( 67721 × 67735) / 1
LCM(67721,67735) = 4587081935 / 1
LCM(67721,67735) = 4587081935

Least Common Multiple (LCM) of 67721 and 67735 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67721 and 67735. First we will calculate the prime factors of 67721 and 67735.

Prime Factorization of 67721

Prime factors of 67721 are 241, 281. Prime factorization of 67721 in exponential form is:

67721 = 2411 × 2811

Prime Factorization of 67735

Prime factors of 67735 are 5, 19, 23, 31. Prime factorization of 67735 in exponential form is:

67735 = 51 × 191 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 67721 and 67735.

LCM(67721,67735) = 2411 × 2811 × 51 × 191 × 231 × 311
LCM(67721,67735) = 4587081935