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What is the Least Common Multiple of 718 and 722?

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 (LCM) of 718 and 722 is 259198.

LCM(718,722) = 259198

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Least Common Multiple of 718 and 722 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 718 and 722, than apply into the LCM equation.

GCF(718,722) = 2
LCM(718,722) = ( 718 × 722) / 2
LCM(718,722) = 518396 / 2
LCM(718,722) = 259198

Least Common Multiple (LCM) of 718 and 722 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 718 and 722. First we will calculate the prime factors of 718 and 722.

Prime Factorization of 718

Prime factors of 718 are 2, 359. Prime factorization of 718 in exponential form is:

718 = 21 × 3591

Prime Factorization of 722

Prime factors of 722 are 2, 19. Prime factorization of 722 in exponential form is:

722 = 21 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 718 and 722.

LCM(718,722) = 21 × 3591 × 192
LCM(718,722) = 259198