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What is the Least Common Multiple of 722 and 736?

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 722 and 736 is 265696.

LCM(722,736) = 265696

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Least Common Multiple of 722 and 736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 722 and 736, than apply into the LCM equation.

GCF(722,736) = 2
LCM(722,736) = ( 722 × 736) / 2
LCM(722,736) = 531392 / 2
LCM(722,736) = 265696

Least Common Multiple (LCM) of 722 and 736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 722 and 736. First we will calculate the prime factors of 722 and 736.

Prime Factorization of 722

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

722 = 21 × 192

Prime Factorization of 736

Prime factors of 736 are 2, 23. Prime factorization of 736 in exponential form is:

736 = 25 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 722 and 736.

LCM(722,736) = 25 × 192 × 231
LCM(722,736) = 265696