What is the Least Common Multiple of 71455 and 71475?

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 71455 and 71475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71455 and 71475, than apply into the LCM equation.

GCF(71455,71475) = 5
LCM(71455,71475) = ( 71455 × 71475) / 5
LCM(71455,71475) = 5107246125 / 5
LCM(71455,71475) = 1021449225

Least Common Multiple (LCM) of 71455 and 71475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71455 and 71475. First we will calculate the prime factors of 71455 and 71475.

Prime Factorization of 71455

Prime Factorization of 71475

Now multiplying the highest exponent prime factors to calculate the LCM of 71455 and 71475.

LCM(71455,71475) = 5² × 31¹ × 461¹ × 3¹ × 953¹
LCM(71455,71475) = 1021449225