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What is the Least Common Multiple of 71284 and 71292?

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 71284 and 71292 is 1270494732.

LCM(71284,71292) = 1270494732

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Least Common Multiple of 71284 and 71292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71284 and 71292, than apply into the LCM equation.

GCF(71284,71292) = 4
LCM(71284,71292) = ( 71284 × 71292) / 4
LCM(71284,71292) = 5081978928 / 4
LCM(71284,71292) = 1270494732

Least Common Multiple (LCM) of 71284 and 71292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71284 and 71292. First we will calculate the prime factors of 71284 and 71292.

Prime Factorization of 71284

Prime factors of 71284 are 2, 71, 251. Prime factorization of 71284 in exponential form is:

71284 = 22 × 711 × 2511

Prime Factorization of 71292

Prime factors of 71292 are 2, 3, 13, 457. Prime factorization of 71292 in exponential form is:

71292 = 22 × 31 × 131 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 71284 and 71292.

LCM(71284,71292) = 22 × 711 × 2511 × 31 × 131 × 4571
LCM(71284,71292) = 1270494732