What is the Least Common Multiple of 49686 and 49690?

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 49686 and 49690 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49686 and 49690, than apply into the LCM equation.

GCF(49686,49690) = 2
LCM(49686,49690) = ( 49686 × 49690) / 2
LCM(49686,49690) = 2468897340 / 2
LCM(49686,49690) = 1234448670

Least Common Multiple (LCM) of 49686 and 49690 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49686 and 49690. First we will calculate the prime factors of 49686 and 49690.

Prime Factorization of 49686

Prime Factorization of 49690

Now multiplying the highest exponent prime factors to calculate the LCM of 49686 and 49690.

LCM(49686,49690) = 2¹ × 3¹ × 7² × 13² × 5¹ × 4969¹
LCM(49686,49690) = 1234448670