GCF and LCM Calculator Logo

What is the Least Common Multiple of 68979 and 68987?

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 68979 and 68987 is 4758654273.

LCM(68979,68987) = 4758654273

LCM Calculator and
and

Least Common Multiple of 68979 and 68987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68979 and 68987, than apply into the LCM equation.

GCF(68979,68987) = 1
LCM(68979,68987) = ( 68979 × 68987) / 1
LCM(68979,68987) = 4758654273 / 1
LCM(68979,68987) = 4758654273

Least Common Multiple (LCM) of 68979 and 68987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68979 and 68987. First we will calculate the prime factors of 68979 and 68987.

Prime Factorization of 68979

Prime factors of 68979 are 3, 22993. Prime factorization of 68979 in exponential form is:

68979 = 31 × 229931

Prime Factorization of 68987

Prime factors of 68987 are 149, 463. Prime factorization of 68987 in exponential form is:

68987 = 1491 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 68979 and 68987.

LCM(68979,68987) = 31 × 229931 × 1491 × 4631
LCM(68979,68987) = 4758654273