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What is the Least Common Multiple of 51402 and 51409?

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 51402 and 51409 is 2642525418.

LCM(51402,51409) = 2642525418

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Least Common Multiple of 51402 and 51409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51402 and 51409, than apply into the LCM equation.

GCF(51402,51409) = 1
LCM(51402,51409) = ( 51402 × 51409) / 1
LCM(51402,51409) = 2642525418 / 1
LCM(51402,51409) = 2642525418

Least Common Multiple (LCM) of 51402 and 51409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51402 and 51409. First we will calculate the prime factors of 51402 and 51409.

Prime Factorization of 51402

Prime factors of 51402 are 2, 3, 13, 659. Prime factorization of 51402 in exponential form is:

51402 = 21 × 31 × 131 × 6591

Prime Factorization of 51409

Prime factors of 51409 are 101, 509. Prime factorization of 51409 in exponential form is:

51409 = 1011 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 51402 and 51409.

LCM(51402,51409) = 21 × 31 × 131 × 6591 × 1011 × 5091
LCM(51402,51409) = 2642525418