What is the Least Common Multiple of 97958 and 97972?

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 of 97958 and 97972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97958 and 97972, than apply into the LCM equation.

GCF(97958,97972) = 14
LCM(97958,97972) = ( 97958 × 97972) / 14
LCM(97958,97972) = 9597141176 / 14
LCM(97958,97972) = 685510084

Least Common Multiple (LCM) of 97958 and 97972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97958 and 97972. First we will calculate the prime factors of 97958 and 97972.

Prime Factorization of 97958

Prime Factorization of 97972

Now multiplying the highest exponent prime factors to calculate the LCM of 97958 and 97972.

LCM(97958,97972) = 2² × 7¹ × 6997¹ × 3499¹
LCM(97958,97972) = 685510084