What is the Least Common Multiple of 40690 and 40703?

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 40690 and 40703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40690 and 40703, than apply into the LCM equation.

GCF(40690,40703) = 13
LCM(40690,40703) = ( 40690 × 40703) / 13
LCM(40690,40703) = 1656205070 / 13
LCM(40690,40703) = 127400390

Least Common Multiple (LCM) of 40690 and 40703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40690 and 40703. First we will calculate the prime factors of 40690 and 40703.

Prime Factorization of 40690

Prime Factorization of 40703

Now multiplying the highest exponent prime factors to calculate the LCM of 40690 and 40703.

LCM(40690,40703) = 2¹ × 5¹ × 13¹ × 313¹ × 31¹ × 101¹
LCM(40690,40703) = 127400390