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What is the Least Common Multiple of 64722 and 64736?

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 64722 and 64736 is 299274528.

LCM(64722,64736) = 299274528

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Least Common Multiple of 64722 and 64736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64722 and 64736, than apply into the LCM equation.

GCF(64722,64736) = 14
LCM(64722,64736) = ( 64722 × 64736) / 14
LCM(64722,64736) = 4189843392 / 14
LCM(64722,64736) = 299274528

Least Common Multiple (LCM) of 64722 and 64736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64722 and 64736. First we will calculate the prime factors of 64722 and 64736.

Prime Factorization of 64722

Prime factors of 64722 are 2, 3, 7, 23, 67. Prime factorization of 64722 in exponential form is:

64722 = 21 × 31 × 71 × 231 × 671

Prime Factorization of 64736

Prime factors of 64736 are 2, 7, 17. Prime factorization of 64736 in exponential form is:

64736 = 25 × 71 × 172

Now multiplying the highest exponent prime factors to calculate the LCM of 64722 and 64736.

LCM(64722,64736) = 25 × 31 × 71 × 231 × 671 × 172
LCM(64722,64736) = 299274528