GCF and LCM Calculator Logo

What is the Least Common Multiple of 68431 and 68443?

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 68431 and 68443 is 4683622933.

LCM(68431,68443) = 4683622933

LCM Calculator and
and

Least Common Multiple of 68431 and 68443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68431 and 68443, than apply into the LCM equation.

GCF(68431,68443) = 1
LCM(68431,68443) = ( 68431 × 68443) / 1
LCM(68431,68443) = 4683622933 / 1
LCM(68431,68443) = 4683622933

Least Common Multiple (LCM) of 68431 and 68443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68431 and 68443. First we will calculate the prime factors of 68431 and 68443.

Prime Factorization of 68431

Prime factors of 68431 are 11, 6221. Prime factorization of 68431 in exponential form is:

68431 = 111 × 62211

Prime Factorization of 68443

Prime factors of 68443 are 68443. Prime factorization of 68443 in exponential form is:

68443 = 684431

Now multiplying the highest exponent prime factors to calculate the LCM of 68431 and 68443.

LCM(68431,68443) = 111 × 62211 × 684431
LCM(68431,68443) = 4683622933