What is the Least Common Multiple of 63661 and 63681?

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 63661 and 63681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63661 and 63681, than apply into the LCM equation.

GCF(63661,63681) = 1
LCM(63661,63681) = ( 63661 × 63681) / 1
LCM(63661,63681) = 4053996141 / 1
LCM(63661,63681) = 4053996141

Least Common Multiple (LCM) of 63661 and 63681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63661 and 63681. First we will calculate the prime factors of 63661 and 63681.

Prime Factorization of 63661

Prime Factorization of 63681

Now multiplying the highest exponent prime factors to calculate the LCM of 63661 and 63681.

LCM(63661,63681) = 13¹ × 59¹ × 83¹ × 3¹ × 21227¹
LCM(63661,63681) = 4053996141