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What is the Least Common Multiple of 42651 and 42666?

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 42651 and 42666 is 606582522.

LCM(42651,42666) = 606582522

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Least Common Multiple of 42651 and 42666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42651 and 42666, than apply into the LCM equation.

GCF(42651,42666) = 3
LCM(42651,42666) = ( 42651 × 42666) / 3
LCM(42651,42666) = 1819747566 / 3
LCM(42651,42666) = 606582522

Least Common Multiple (LCM) of 42651 and 42666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42651 and 42666. First we will calculate the prime factors of 42651 and 42666.

Prime Factorization of 42651

Prime factors of 42651 are 3, 7, 677. Prime factorization of 42651 in exponential form is:

42651 = 32 × 71 × 6771

Prime Factorization of 42666

Prime factors of 42666 are 2, 3, 13, 547. Prime factorization of 42666 in exponential form is:

42666 = 21 × 31 × 131 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 42651 and 42666.

LCM(42651,42666) = 32 × 71 × 6771 × 21 × 131 × 5471
LCM(42651,42666) = 606582522