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What is the Least Common Multiple of 65422 and 65432?

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 65422 and 65432 is 2140346152.

LCM(65422,65432) = 2140346152

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Least Common Multiple of 65422 and 65432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65422 and 65432, than apply into the LCM equation.

GCF(65422,65432) = 2
LCM(65422,65432) = ( 65422 × 65432) / 2
LCM(65422,65432) = 4280692304 / 2
LCM(65422,65432) = 2140346152

Least Common Multiple (LCM) of 65422 and 65432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65422 and 65432. First we will calculate the prime factors of 65422 and 65432.

Prime Factorization of 65422

Prime factors of 65422 are 2, 7, 4673. Prime factorization of 65422 in exponential form is:

65422 = 21 × 71 × 46731

Prime Factorization of 65432

Prime factors of 65432 are 2, 8179. Prime factorization of 65432 in exponential form is:

65432 = 23 × 81791

Now multiplying the highest exponent prime factors to calculate the LCM of 65422 and 65432.

LCM(65422,65432) = 23 × 71 × 46731 × 81791
LCM(65422,65432) = 2140346152