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What is the Least Common Multiple of 4686 and 4693?

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 4686 and 4693 is 21991398.

LCM(4686,4693) = 21991398

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Least Common Multiple of 4686 and 4693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4686 and 4693, than apply into the LCM equation.

GCF(4686,4693) = 1
LCM(4686,4693) = ( 4686 × 4693) / 1
LCM(4686,4693) = 21991398 / 1
LCM(4686,4693) = 21991398

Least Common Multiple (LCM) of 4686 and 4693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4686 and 4693. First we will calculate the prime factors of 4686 and 4693.

Prime Factorization of 4686

Prime factors of 4686 are 2, 3, 11, 71. Prime factorization of 4686 in exponential form is:

4686 = 21 × 31 × 111 × 711

Prime Factorization of 4693

Prime factors of 4693 are 13, 19. Prime factorization of 4693 in exponential form is:

4693 = 131 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 4686 and 4693.

LCM(4686,4693) = 21 × 31 × 111 × 711 × 131 × 192
LCM(4686,4693) = 21991398