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What is the Least Common Multiple of 40139 and 40145?

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 40139 and 40145 is 1611380155.

LCM(40139,40145) = 1611380155

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Least Common Multiple of 40139 and 40145 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40139 and 40145, than apply into the LCM equation.

GCF(40139,40145) = 1
LCM(40139,40145) = ( 40139 × 40145) / 1
LCM(40139,40145) = 1611380155 / 1
LCM(40139,40145) = 1611380155

Least Common Multiple (LCM) of 40139 and 40145 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40139 and 40145. First we will calculate the prime factors of 40139 and 40145.

Prime Factorization of 40139

Prime factors of 40139 are 11, 41, 89. Prime factorization of 40139 in exponential form is:

40139 = 111 × 411 × 891

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

Now multiplying the highest exponent prime factors to calculate the LCM of 40139 and 40145.

LCM(40139,40145) = 111 × 411 × 891 × 51 × 71 × 311 × 371
LCM(40139,40145) = 1611380155