What is the Least Common Multiple of 71890 and 71907?

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 71890 and 71907 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71890 and 71907, than apply into the LCM equation.

GCF(71890,71907) = 1
LCM(71890,71907) = ( 71890 × 71907) / 1
LCM(71890,71907) = 5169394230 / 1
LCM(71890,71907) = 5169394230

Least Common Multiple (LCM) of 71890 and 71907 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71890 and 71907. First we will calculate the prime factors of 71890 and 71907.

Prime Factorization of 71890

Prime Factorization of 71907

Now multiplying the highest exponent prime factors to calculate the LCM of 71890 and 71907.

LCM(71890,71907) = 2¹ × 5¹ × 7¹ × 13¹ × 79¹ × 3¹ × 11¹ × 2179¹
LCM(71890,71907) = 5169394230