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What is the Least Common Multiple of 40145 and 40161?

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 40145 and 40161 is 1612263345.

LCM(40145,40161) = 1612263345

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Least Common Multiple of 40145 and 40161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40145 and 40161, than apply into the LCM equation.

GCF(40145,40161) = 1
LCM(40145,40161) = ( 40145 × 40161) / 1
LCM(40145,40161) = 1612263345 / 1
LCM(40145,40161) = 1612263345

Least Common Multiple (LCM) of 40145 and 40161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40145 and 40161. First we will calculate the prime factors of 40145 and 40161.

Prime Factorization of 40145

Prime factors of 40145 are 5, 7, 31, 37. Prime factorization of 40145 in exponential form is:

40145 = 51 × 71 × 311 × 371

Prime Factorization of 40161

Prime factors of 40161 are 3, 11, 1217. Prime factorization of 40161 in exponential form is:

40161 = 31 × 111 × 12171

Now multiplying the highest exponent prime factors to calculate the LCM of 40145 and 40161.

LCM(40145,40161) = 51 × 71 × 311 × 371 × 31 × 111 × 12171
LCM(40145,40161) = 1612263345