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What is the Least Common Multiple of 626 and 632?

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 626 and 632 is 197816.

LCM(626,632) = 197816

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Least Common Multiple of 626 and 632 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 626 and 632, than apply into the LCM equation.

GCF(626,632) = 2
LCM(626,632) = ( 626 × 632) / 2
LCM(626,632) = 395632 / 2
LCM(626,632) = 197816

Least Common Multiple (LCM) of 626 and 632 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 626 and 632. First we will calculate the prime factors of 626 and 632.

Prime Factorization of 626

Prime factors of 626 are 2, 313. Prime factorization of 626 in exponential form is:

626 = 21 × 3131

Prime Factorization of 632

Prime factors of 632 are 2, 79. Prime factorization of 632 in exponential form is:

632 = 23 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 626 and 632.

LCM(626,632) = 23 × 3131 × 791
LCM(626,632) = 197816