What is the Least Common Multiple of 40987 and 40991?

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 40987 and 40991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40987 and 40991, than apply into the LCM equation.

GCF(40987,40991) = 1
LCM(40987,40991) = ( 40987 × 40991) / 1
LCM(40987,40991) = 1680098117 / 1
LCM(40987,40991) = 1680098117

Least Common Multiple (LCM) of 40987 and 40991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40987 and 40991. First we will calculate the prime factors of 40987 and 40991.

Prime Factorization of 40987

Prime Factorization of 40991

Now multiplying the highest exponent prime factors to calculate the LCM of 40987 and 40991.

LCM(40987,40991) = 17¹ × 2411¹ × 179¹ × 229¹
LCM(40987,40991) = 1680098117