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What is the Least Common Multiple of 652 and 665?

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 652 and 665 is 433580.

LCM(652,665) = 433580

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Least Common Multiple of 652 and 665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 652 and 665, than apply into the LCM equation.

GCF(652,665) = 1
LCM(652,665) = ( 652 × 665) / 1
LCM(652,665) = 433580 / 1
LCM(652,665) = 433580

Least Common Multiple (LCM) of 652 and 665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 652 and 665. First we will calculate the prime factors of 652 and 665.

Prime Factorization of 652

Prime factors of 652 are 2, 163. Prime factorization of 652 in exponential form is:

652 = 22 × 1631

Prime Factorization of 665

Prime factors of 665 are 5, 7, 19. Prime factorization of 665 in exponential form is:

665 = 51 × 71 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 652 and 665.

LCM(652,665) = 22 × 1631 × 51 × 71 × 191
LCM(652,665) = 433580