What is the Least Common Multiple of 97640 and 97645?

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 97640 and 97645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97640 and 97645, than apply into the LCM equation.

GCF(97640,97645) = 5
LCM(97640,97645) = ( 97640 × 97645) / 5
LCM(97640,97645) = 9534057800 / 5
LCM(97640,97645) = 1906811560

Least Common Multiple (LCM) of 97640 and 97645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97640 and 97645. First we will calculate the prime factors of 97640 and 97645.

Prime Factorization of 97640

Prime Factorization of 97645

Now multiplying the highest exponent prime factors to calculate the LCM of 97640 and 97645.

LCM(97640,97645) = 2³ × 5¹ × 2441¹ × 59¹ × 331¹
LCM(97640,97645) = 1906811560