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What is the Least Common Multiple of 25435 and 25454?

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 25435 and 25454 is 647422490.

LCM(25435,25454) = 647422490

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Least Common Multiple of 25435 and 25454 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25435 and 25454, than apply into the LCM equation.

GCF(25435,25454) = 1
LCM(25435,25454) = ( 25435 × 25454) / 1
LCM(25435,25454) = 647422490 / 1
LCM(25435,25454) = 647422490

Least Common Multiple (LCM) of 25435 and 25454 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25435 and 25454. First we will calculate the prime factors of 25435 and 25454.

Prime Factorization of 25435

Prime factors of 25435 are 5, 5087. Prime factorization of 25435 in exponential form is:

25435 = 51 × 50871

Prime Factorization of 25454

Prime factors of 25454 are 2, 11, 13, 89. Prime factorization of 25454 in exponential form is:

25454 = 21 × 111 × 131 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 25435 and 25454.

LCM(25435,25454) = 51 × 50871 × 21 × 111 × 131 × 891
LCM(25435,25454) = 647422490