GCF and LCM Calculator Logo

What is the Least Common Multiple of 78131 and 78143?

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 78131 and 78143 is 6105390733.

LCM(78131,78143) = 6105390733

LCM Calculator and
and

Least Common Multiple of 78131 and 78143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78131 and 78143, than apply into the LCM equation.

GCF(78131,78143) = 1
LCM(78131,78143) = ( 78131 × 78143) / 1
LCM(78131,78143) = 6105390733 / 1
LCM(78131,78143) = 6105390733

Least Common Multiple (LCM) of 78131 and 78143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78131 and 78143. First we will calculate the prime factors of 78131 and 78143.

Prime Factorization of 78131

Prime factors of 78131 are 23, 43, 79. Prime factorization of 78131 in exponential form is:

78131 = 231 × 431 × 791

Prime Factorization of 78143

Prime factors of 78143 are 13, 6011. Prime factorization of 78143 in exponential form is:

78143 = 131 × 60111

Now multiplying the highest exponent prime factors to calculate the LCM of 78131 and 78143.

LCM(78131,78143) = 231 × 431 × 791 × 131 × 60111
LCM(78131,78143) = 6105390733