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What is the Least Common Multiple of 40926 and 40940?

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 40926 and 40940 is 837755220.

LCM(40926,40940) = 837755220

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Least Common Multiple of 40926 and 40940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40926 and 40940, than apply into the LCM equation.

GCF(40926,40940) = 2
LCM(40926,40940) = ( 40926 × 40940) / 2
LCM(40926,40940) = 1675510440 / 2
LCM(40926,40940) = 837755220

Least Common Multiple (LCM) of 40926 and 40940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40926 and 40940. First we will calculate the prime factors of 40926 and 40940.

Prime Factorization of 40926

Prime factors of 40926 are 2, 3, 19, 359. Prime factorization of 40926 in exponential form is:

40926 = 21 × 31 × 191 × 3591

Prime Factorization of 40940

Prime factors of 40940 are 2, 5, 23, 89. Prime factorization of 40940 in exponential form is:

40940 = 22 × 51 × 231 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 40926 and 40940.

LCM(40926,40940) = 22 × 31 × 191 × 3591 × 51 × 231 × 891
LCM(40926,40940) = 837755220