What is the Least Common Multiple of 74640 and 74653?

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 74640 and 74653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74640 and 74653, than apply into the LCM equation.

GCF(74640,74653) = 1
LCM(74640,74653) = ( 74640 × 74653) / 1
LCM(74640,74653) = 5572099920 / 1
LCM(74640,74653) = 5572099920

Least Common Multiple (LCM) of 74640 and 74653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74640 and 74653. First we will calculate the prime factors of 74640 and 74653.

Prime Factorization of 74640

Prime Factorization of 74653

Now multiplying the highest exponent prime factors to calculate the LCM of 74640 and 74653.

LCM(74640,74653) = 2⁴ × 3¹ × 5¹ × 311¹ × 74653¹
LCM(74640,74653) = 5572099920