What is the Least Common Multiple of 73415 and 73430?

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 73415 and 73430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73415 and 73430, than apply into the LCM equation.

GCF(73415,73430) = 5
LCM(73415,73430) = ( 73415 × 73430) / 5
LCM(73415,73430) = 5390863450 / 5
LCM(73415,73430) = 1078172690

Least Common Multiple (LCM) of 73415 and 73430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73415 and 73430. First we will calculate the prime factors of 73415 and 73430.

Prime Factorization of 73415

Prime Factorization of 73430

Now multiplying the highest exponent prime factors to calculate the LCM of 73415 and 73430.

LCM(73415,73430) = 5¹ × 14683¹ × 2¹ × 7¹ × 1049¹
LCM(73415,73430) = 1078172690