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What is the Least Common Multiple of 40686 and 40703?

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 40686 and 40703 is 1656042258.

LCM(40686,40703) = 1656042258

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Least Common Multiple of 40686 and 40703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40686 and 40703, than apply into the LCM equation.

GCF(40686,40703) = 1
LCM(40686,40703) = ( 40686 × 40703) / 1
LCM(40686,40703) = 1656042258 / 1
LCM(40686,40703) = 1656042258

Least Common Multiple (LCM) of 40686 and 40703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40686 and 40703. First we will calculate the prime factors of 40686 and 40703.

Prime Factorization of 40686

Prime factors of 40686 are 2, 3, 6781. Prime factorization of 40686 in exponential form is:

40686 = 21 × 31 × 67811

Prime Factorization of 40703

Prime factors of 40703 are 13, 31, 101. Prime factorization of 40703 in exponential form is:

40703 = 131 × 311 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 40686 and 40703.

LCM(40686,40703) = 21 × 31 × 67811 × 131 × 311 × 1011
LCM(40686,40703) = 1656042258