# What is the Least Common Multiple of 46 and 62?

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 46 and 62 is 1426.

LCM(46,62) = 1426

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## Least Common Multiple of 46 and 62 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46 and 62, than apply into the LCM equation.

GCF(46,62) = 2
LCM(46,62) = ( 46 × 62) / 2
LCM(46,62) = 2852 / 2
LCM(46,62) = 1426

## Least Common Multiple (LCM) of 46 and 62 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46 and 62. First we will calculate the prime factors of 46 and 62.

### Prime Factorization of 46

Prime factors of 46 are 2, 23. Prime factorization of 46 in exponential form is:

46 = 21 × 231

### Prime Factorization of 62

Prime factors of 62 are 2, 31. Prime factorization of 62 in exponential form is:

62 = 21 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 46 and 62.

LCM(46,62) = 21 × 231 × 311
LCM(46,62) = 1426