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What is the Least Common Multiple of 40091 and 40105?

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 40091 and 40105 is 1607849555.

LCM(40091,40105) = 1607849555

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Least Common Multiple of 40091 and 40105 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40091 and 40105, than apply into the LCM equation.

GCF(40091,40105) = 1
LCM(40091,40105) = ( 40091 × 40105) / 1
LCM(40091,40105) = 1607849555 / 1
LCM(40091,40105) = 1607849555

Least Common Multiple (LCM) of 40091 and 40105 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40091 and 40105. First we will calculate the prime factors of 40091 and 40105.

Prime Factorization of 40091

Prime factors of 40091 are 47, 853. Prime factorization of 40091 in exponential form is:

40091 = 471 × 8531

Prime Factorization of 40105

Prime factors of 40105 are 5, 13, 617. Prime factorization of 40105 in exponential form is:

40105 = 51 × 131 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 40091 and 40105.

LCM(40091,40105) = 471 × 8531 × 51 × 131 × 6171
LCM(40091,40105) = 1607849555