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What is the Least Common Multiple of 40894 and 40905?

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 40894 and 40905 is 1672769070.

LCM(40894,40905) = 1672769070

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Least Common Multiple of 40894 and 40905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40894 and 40905, than apply into the LCM equation.

GCF(40894,40905) = 1
LCM(40894,40905) = ( 40894 × 40905) / 1
LCM(40894,40905) = 1672769070 / 1
LCM(40894,40905) = 1672769070

Least Common Multiple (LCM) of 40894 and 40905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40894 and 40905. First we will calculate the prime factors of 40894 and 40905.

Prime Factorization of 40894

Prime factors of 40894 are 2, 7, 23, 127. Prime factorization of 40894 in exponential form is:

40894 = 21 × 71 × 231 × 1271

Prime Factorization of 40905

Prime factors of 40905 are 3, 5, 101. Prime factorization of 40905 in exponential form is:

40905 = 34 × 51 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 40894 and 40905.

LCM(40894,40905) = 21 × 71 × 231 × 1271 × 34 × 51 × 1011
LCM(40894,40905) = 1672769070