What is the Least Common Multiple of 8240 and 8251?

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 8240 and 8251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8240 and 8251, than apply into the LCM equation.

GCF(8240,8251) = 1
LCM(8240,8251) = ( 8240 × 8251) / 1
LCM(8240,8251) = 67988240 / 1
LCM(8240,8251) = 67988240

Least Common Multiple (LCM) of 8240 and 8251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8240 and 8251. First we will calculate the prime factors of 8240 and 8251.

Prime Factorization of 8240

Prime Factorization of 8251

Now multiplying the highest exponent prime factors to calculate the LCM of 8240 and 8251.

LCM(8240,8251) = 2⁴ × 5¹ × 103¹ × 37¹ × 223¹
LCM(8240,8251) = 67988240