What is the Least Common Multiple of 65690 and 65702?

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 65690 and 65702 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65690 and 65702, than apply into the LCM equation.

GCF(65690,65702) = 2
LCM(65690,65702) = ( 65690 × 65702) / 2
LCM(65690,65702) = 4315964380 / 2
LCM(65690,65702) = 2157982190

Least Common Multiple (LCM) of 65690 and 65702 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65690 and 65702. First we will calculate the prime factors of 65690 and 65702.

Prime Factorization of 65690

Prime Factorization of 65702

Now multiplying the highest exponent prime factors to calculate the LCM of 65690 and 65702.

LCM(65690,65702) = 2¹ × 5¹ × 6569¹ × 7¹ × 13¹ × 19²
LCM(65690,65702) = 2157982190