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What is the Least Common Multiple of 72409 and 72427?

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 72409 and 72427 is 5244366643.

LCM(72409,72427) = 5244366643

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Least Common Multiple of 72409 and 72427 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72409 and 72427, than apply into the LCM equation.

GCF(72409,72427) = 1
LCM(72409,72427) = ( 72409 × 72427) / 1
LCM(72409,72427) = 5244366643 / 1
LCM(72409,72427) = 5244366643

Least Common Multiple (LCM) of 72409 and 72427 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72409 and 72427. First we will calculate the prime factors of 72409 and 72427.

Prime Factorization of 72409

Prime factors of 72409 are 19, 37, 103. Prime factorization of 72409 in exponential form is:

72409 = 191 × 371 × 1031

Prime Factorization of 72427

Prime factors of 72427 are 23, 47, 67. Prime factorization of 72427 in exponential form is:

72427 = 231 × 471 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 72409 and 72427.

LCM(72409,72427) = 191 × 371 × 1031 × 231 × 471 × 671
LCM(72409,72427) = 5244366643