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What is the Least Common Multiple of 71145 and 71158?

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 71145 and 71158 is 5062535910.

LCM(71145,71158) = 5062535910

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Least Common Multiple of 71145 and 71158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71145 and 71158, than apply into the LCM equation.

GCF(71145,71158) = 1
LCM(71145,71158) = ( 71145 × 71158) / 1
LCM(71145,71158) = 5062535910 / 1
LCM(71145,71158) = 5062535910

Least Common Multiple (LCM) of 71145 and 71158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71145 and 71158. First we will calculate the prime factors of 71145 and 71158.

Prime Factorization of 71145

Prime factors of 71145 are 3, 5, 17, 31. Prime factorization of 71145 in exponential form is:

71145 = 33 × 51 × 171 × 311

Prime Factorization of 71158

Prime factors of 71158 are 2, 47, 757. Prime factorization of 71158 in exponential form is:

71158 = 21 × 471 × 7571

Now multiplying the highest exponent prime factors to calculate the LCM of 71145 and 71158.

LCM(71145,71158) = 33 × 51 × 171 × 311 × 21 × 471 × 7571
LCM(71145,71158) = 5062535910