What is the Least Common Multiple of 3647 and 3661?

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 3647 and 3661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3647 and 3661, than apply into the LCM equation.

GCF(3647,3661) = 7
LCM(3647,3661) = ( 3647 × 3661) / 7
LCM(3647,3661) = 13351667 / 7
LCM(3647,3661) = 1907381

Least Common Multiple (LCM) of 3647 and 3661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3647 and 3661. First we will calculate the prime factors of 3647 and 3661.

Prime Factorization of 3647

Prime Factorization of 3661

Now multiplying the highest exponent prime factors to calculate the LCM of 3647 and 3661.

LCM(3647,3661) = 7¹ × 521¹ × 523¹
LCM(3647,3661) = 1907381