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What is the Least Common Multiple of 71940 and 71959?

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 71940 and 71959 is 5176730460.

LCM(71940,71959) = 5176730460

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Least Common Multiple of 71940 and 71959 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71940 and 71959, than apply into the LCM equation.

GCF(71940,71959) = 1
LCM(71940,71959) = ( 71940 × 71959) / 1
LCM(71940,71959) = 5176730460 / 1
LCM(71940,71959) = 5176730460

Least Common Multiple (LCM) of 71940 and 71959 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71940 and 71959. First we will calculate the prime factors of 71940 and 71959.

Prime Factorization of 71940

Prime factors of 71940 are 2, 3, 5, 11, 109. Prime factorization of 71940 in exponential form is:

71940 = 22 × 31 × 51 × 111 × 1091

Prime Factorization of 71959

Prime factors of 71959 are 227, 317. Prime factorization of 71959 in exponential form is:

71959 = 2271 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 71940 and 71959.

LCM(71940,71959) = 22 × 31 × 51 × 111 × 1091 × 2271 × 3171
LCM(71940,71959) = 5176730460