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What is the Least Common Multiple of 81935 and 81954?

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 81935 and 81954 is 6714900990.

LCM(81935,81954) = 6714900990

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Least Common Multiple of 81935 and 81954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81935 and 81954, than apply into the LCM equation.

GCF(81935,81954) = 1
LCM(81935,81954) = ( 81935 × 81954) / 1
LCM(81935,81954) = 6714900990 / 1
LCM(81935,81954) = 6714900990

Least Common Multiple (LCM) of 81935 and 81954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81935 and 81954. First we will calculate the prime factors of 81935 and 81954.

Prime Factorization of 81935

Prime factors of 81935 are 5, 7, 2341. Prime factorization of 81935 in exponential form is:

81935 = 51 × 71 × 23411

Prime Factorization of 81954

Prime factors of 81954 are 2, 3, 29, 157. Prime factorization of 81954 in exponential form is:

81954 = 21 × 32 × 291 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 81935 and 81954.

LCM(81935,81954) = 51 × 71 × 23411 × 21 × 32 × 291 × 1571
LCM(81935,81954) = 6714900990