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What is the Least Common Multiple of 71145 and 71151?

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 71151 is 1687345965.

LCM(71145,71151) = 1687345965

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Least Common Multiple of 71145 and 71151 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 71151, than apply into the LCM equation.

GCF(71145,71151) = 3
LCM(71145,71151) = ( 71145 × 71151) / 3
LCM(71145,71151) = 5062037895 / 3
LCM(71145,71151) = 1687345965

Least Common Multiple (LCM) of 71145 and 71151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71145 and 71151. First we will calculate the prime factors of 71145 and 71151.

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 71151

Prime factors of 71151 are 3, 37, 641. Prime factorization of 71151 in exponential form is:

71151 = 31 × 371 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 71145 and 71151.

LCM(71145,71151) = 33 × 51 × 171 × 311 × 371 × 6411
LCM(71145,71151) = 1687345965