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What is the Least Common Multiple of 40386 and 40403?

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 40386 and 40403 is 1631715558.

LCM(40386,40403) = 1631715558

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Least Common Multiple of 40386 and 40403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40386 and 40403, than apply into the LCM equation.

GCF(40386,40403) = 1
LCM(40386,40403) = ( 40386 × 40403) / 1
LCM(40386,40403) = 1631715558 / 1
LCM(40386,40403) = 1631715558

Least Common Multiple (LCM) of 40386 and 40403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40386 and 40403. First we will calculate the prime factors of 40386 and 40403.

Prime Factorization of 40386

Prime factors of 40386 are 2, 3, 53, 127. Prime factorization of 40386 in exponential form is:

40386 = 21 × 31 × 531 × 1271

Prime Factorization of 40403

Prime factors of 40403 are 11, 3673. Prime factorization of 40403 in exponential form is:

40403 = 111 × 36731

Now multiplying the highest exponent prime factors to calculate the LCM of 40386 and 40403.

LCM(40386,40403) = 21 × 31 × 531 × 1271 × 111 × 36731
LCM(40386,40403) = 1631715558