What is the Least Common Multiple of 85954 and 85970?

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 85954 and 85970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85954 and 85970, than apply into the LCM equation.

GCF(85954,85970) = 2
LCM(85954,85970) = ( 85954 × 85970) / 2
LCM(85954,85970) = 7389465380 / 2
LCM(85954,85970) = 3694732690

Least Common Multiple (LCM) of 85954 and 85970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85954 and 85970. First we will calculate the prime factors of 85954 and 85970.

Prime Factorization of 85954

Prime Factorization of 85970

Now multiplying the highest exponent prime factors to calculate the LCM of 85954 and 85970.

LCM(85954,85970) = 2¹ × 11¹ × 3907¹ × 5¹ × 8597¹
LCM(85954,85970) = 3694732690