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What is the Least Common Multiple of 40721 and 40734?

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 40721 and 40734 is 1658729214.

LCM(40721,40734) = 1658729214

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Least Common Multiple of 40721 and 40734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40721 and 40734, than apply into the LCM equation.

GCF(40721,40734) = 1
LCM(40721,40734) = ( 40721 × 40734) / 1
LCM(40721,40734) = 1658729214 / 1
LCM(40721,40734) = 1658729214

Least Common Multiple (LCM) of 40721 and 40734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40721 and 40734. First we will calculate the prime factors of 40721 and 40734.

Prime Factorization of 40721

Prime factors of 40721 are 43, 947. Prime factorization of 40721 in exponential form is:

40721 = 431 × 9471

Prime Factorization of 40734

Prime factors of 40734 are 2, 3, 31, 73. Prime factorization of 40734 in exponential form is:

40734 = 21 × 32 × 311 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 40721 and 40734.

LCM(40721,40734) = 431 × 9471 × 21 × 32 × 311 × 731
LCM(40721,40734) = 1658729214