Question

List the single-digit divisors of 2100.
I really need help

Answer 1

• 1, 2, 3, 4, 5, 6, 7

Explanation:

Prime factors of 2100 are:

• 2100 = 2*2*3*5*5*7

The single-digit divisors are:

• 1, 2, 3, 2*2= 4, 5, 2*3= 6, 7

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Another solution is you divide 2100 by all numbers 1 through 9 and list those divisible:

• 2100/1 = 2100, yes
• 2100/2 = 1050, yes
• 2100/3 = 700, yes
• 2100/4 = 525, yes
• 2100/5 = 420, yes
• 2100/6 = 350, yes
• 2100/7 = 300, yes
• 2100/8 = 262.5, no
• 2100/9 = 233.33, no

So all the numbers from 1 to 7