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What is the Least Common Multiple of 67651 and 67665?

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 67651 and 67665 is 4577604915.

LCM(67651,67665) = 4577604915

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Least Common Multiple of 67651 and 67665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67651 and 67665, than apply into the LCM equation.

GCF(67651,67665) = 1
LCM(67651,67665) = ( 67651 × 67665) / 1
LCM(67651,67665) = 4577604915 / 1
LCM(67651,67665) = 4577604915

Least Common Multiple (LCM) of 67651 and 67665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67651 and 67665. First we will calculate the prime factors of 67651 and 67665.

Prime Factorization of 67651

Prime factors of 67651 are 67651. Prime factorization of 67651 in exponential form is:

67651 = 676511

Prime Factorization of 67665

Prime factors of 67665 are 3, 5, 13, 347. Prime factorization of 67665 in exponential form is:

67665 = 31 × 51 × 131 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 67651 and 67665.

LCM(67651,67665) = 676511 × 31 × 51 × 131 × 3471
LCM(67651,67665) = 4577604915