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What is the Least Common Multiple of 71891 and 71902?

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 71891 and 71902 is 5169106682.

LCM(71891,71902) = 5169106682

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Least Common Multiple of 71891 and 71902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71891 and 71902, than apply into the LCM equation.

GCF(71891,71902) = 1
LCM(71891,71902) = ( 71891 × 71902) / 1
LCM(71891,71902) = 5169106682 / 1
LCM(71891,71902) = 5169106682

Least Common Multiple (LCM) of 71891 and 71902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71891 and 71902. First we will calculate the prime factors of 71891 and 71902.

Prime Factorization of 71891

Prime factors of 71891 are 29, 37, 67. Prime factorization of 71891 in exponential form is:

71891 = 291 × 371 × 671

Prime Factorization of 71902

Prime factors of 71902 are 2, 35951. Prime factorization of 71902 in exponential form is:

71902 = 21 × 359511

Now multiplying the highest exponent prime factors to calculate the LCM of 71891 and 71902.

LCM(71891,71902) = 291 × 371 × 671 × 21 × 359511
LCM(71891,71902) = 5169106682