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What is the Least Common Multiple of 78683 and 78693?

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 78683 and 78693 is 6191801319.

LCM(78683,78693) = 6191801319

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Least Common Multiple of 78683 and 78693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78683 and 78693, than apply into the LCM equation.

GCF(78683,78693) = 1
LCM(78683,78693) = ( 78683 × 78693) / 1
LCM(78683,78693) = 6191801319 / 1
LCM(78683,78693) = 6191801319

Least Common Multiple (LCM) of 78683 and 78693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78683 and 78693. First we will calculate the prime factors of 78683 and 78693.

Prime Factorization of 78683

Prime factors of 78683 are 11, 23, 311. Prime factorization of 78683 in exponential form is:

78683 = 111 × 231 × 3111

Prime Factorization of 78693

Prime factors of 78693 are 3, 17, 1543. Prime factorization of 78693 in exponential form is:

78693 = 31 × 171 × 15431

Now multiplying the highest exponent prime factors to calculate the LCM of 78683 and 78693.

LCM(78683,78693) = 111 × 231 × 3111 × 31 × 171 × 15431
LCM(78683,78693) = 6191801319