What is the Least Common Multiple of 97685 and 97690?

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 97685 and 97690 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97685 and 97690, than apply into the LCM equation.

GCF(97685,97690) = 5
LCM(97685,97690) = ( 97685 × 97690) / 5
LCM(97685,97690) = 9542847650 / 5
LCM(97685,97690) = 1908569530

Least Common Multiple (LCM) of 97685 and 97690 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97685 and 97690. First we will calculate the prime factors of 97685 and 97690.

Prime Factorization of 97685

Prime Factorization of 97690

Now multiplying the highest exponent prime factors to calculate the LCM of 97685 and 97690.

LCM(97685,97690) = 5¹ × 7¹ × 2791¹ × 2¹ × 9769¹
LCM(97685,97690) = 1908569530