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What is the Least Common Multiple of 74648 and 74657?

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 74648 and 74657 is 5572995736.

LCM(74648,74657) = 5572995736

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Least Common Multiple of 74648 and 74657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74648 and 74657, than apply into the LCM equation.

GCF(74648,74657) = 1
LCM(74648,74657) = ( 74648 × 74657) / 1
LCM(74648,74657) = 5572995736 / 1
LCM(74648,74657) = 5572995736

Least Common Multiple (LCM) of 74648 and 74657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74648 and 74657. First we will calculate the prime factors of 74648 and 74657.

Prime Factorization of 74648

Prime factors of 74648 are 2, 7, 31, 43. Prime factorization of 74648 in exponential form is:

74648 = 23 × 71 × 311 × 431

Prime Factorization of 74657

Prime factors of 74657 are 11, 617. Prime factorization of 74657 in exponential form is:

74657 = 112 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 74648 and 74657.

LCM(74648,74657) = 23 × 71 × 311 × 431 × 112 × 6171
LCM(74648,74657) = 5572995736