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What is the Least Common Multiple of 653 and 662?

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 653 and 662 is 432286.

LCM(653,662) = 432286

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Least Common Multiple of 653 and 662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 653 and 662, than apply into the LCM equation.

GCF(653,662) = 1
LCM(653,662) = ( 653 × 662) / 1
LCM(653,662) = 432286 / 1
LCM(653,662) = 432286

Least Common Multiple (LCM) of 653 and 662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 653 and 662. First we will calculate the prime factors of 653 and 662.

Prime Factorization of 653

Prime factors of 653 are 653. Prime factorization of 653 in exponential form is:

653 = 6531

Prime Factorization of 662

Prime factors of 662 are 2, 331. Prime factorization of 662 in exponential form is:

662 = 21 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 653 and 662.

LCM(653,662) = 6531 × 21 × 3311
LCM(653,662) = 432286