LCM for 100 and 320

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What's the Least Common Multiple (LCM) of 100 and 320?

Answer

LCM of 100 and 320 is
1,600

First common multiples: 1,600; 3,200; 4,800; …

1,600 is divisible by both: 1,600 ÷ 100 = 16; 1,600 ÷ 320 = 5 — and 16 and 5 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/100 by 16 and of y/320 by 5.

100 = 22 × 52

320 = 26 × 5

Prime100320Highest power
2222626
552552

LCM = 26 × 52 = 1,600

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
1001901,900
100200200
1002154,300
1002201,100
100225900
1002302,300
1002354,700
1002401,200
100250500
1002555,100
1002601,300
1002702,700
1002751,100
1002855,700
1002902,900
1003201,600
1003251,300
1003303,300
1003401,700
1003601,800
1003657,300
1003751,500
1003857,700
100400400
1004058,100
1004158,300
1004458,900
100450900
1004659,300
1004704,700

FAQ

What's the Least Common Multiple (LCM) of 100 and 320?

LCM of 100 and 320 is 1,600

How to find the LCM of 100 and 320 using prime factorization?

To find the LCM of 100 and 320, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,600.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 100 and 320: LCM = 1,600, GCF = 20.

See Also