What is the Least Common Multiple of 56642 and 56661?
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 56642 and 56661 is 3209392362.
LCM(56642,56661) = 3209392362
Least Common Multiple of 56642 and 56661 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56642 and 56661, than apply into the LCM equation.
GCF(56642,56661) = 1
LCM(56642,56661) = ( 56642 × 56661) / 1
LCM(56642,56661) = 3209392362 / 1
LCM(56642,56661) = 3209392362
Least Common Multiple (LCM) of 56642 and 56661 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 56642 and 56661. First we will calculate the prime factors of 56642 and 56661.
Prime Factorization of 56642
Prime factors of 56642 are 2, 127, 223. Prime factorization of 56642 in exponential form is:
56642 = 21 × 1271 × 2231
Prime Factorization of 56661
Prime factors of 56661 are 3, 11, 17, 101. Prime factorization of 56661 in exponential form is:
56661 = 31 × 111 × 171 × 1011
Now multiplying the highest exponent prime factors to calculate the LCM of 56642 and 56661.
LCM(56642,56661) = 21 × 1271 × 2231 × 31 × 111 × 171 × 1011
LCM(56642,56661) = 3209392362
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