GCF and LCM Calculator Logo

What is the Least Common Multiple of 71962 and 71972?

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 71962 and 71972 is 2589624532.

LCM(71962,71972) = 2589624532

LCM Calculator and
and

Least Common Multiple of 71962 and 71972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71962 and 71972, than apply into the LCM equation.

GCF(71962,71972) = 2
LCM(71962,71972) = ( 71962 × 71972) / 2
LCM(71962,71972) = 5179249064 / 2
LCM(71962,71972) = 2589624532

Least Common Multiple (LCM) of 71962 and 71972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71962 and 71972. First we will calculate the prime factors of 71962 and 71972.

Prime Factorization of 71962

Prime factors of 71962 are 2, 11, 3271. Prime factorization of 71962 in exponential form is:

71962 = 21 × 111 × 32711

Prime Factorization of 71972

Prime factors of 71972 are 2, 19, 947. Prime factorization of 71972 in exponential form is:

71972 = 22 × 191 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 71962 and 71972.

LCM(71962,71972) = 22 × 111 × 32711 × 191 × 9471
LCM(71962,71972) = 2589624532