1764 as a product of its prime numbers
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1764
sum of digits = 1 + 7 + 6 + 4 = 18 divisible by 3 and 9
first divide by 9
1764 = 9 × 196
196 , last 2 digits divisible by 4
196 = 4 × 49
so .1764 = 9 × 4 × 49
then convert it in to prime factors
1764 = 3 × 3 × 2 × 2 × 7 × 7
= 2^2 × 3^2 × 7^2
sum of digits = 1 + 7 + 6 + 4 = 18 divisible by 3 and 9
first divide by 9
1764 = 9 × 196
196 , last 2 digits divisible by 4
196 = 4 × 49
so .1764 = 9 × 4 × 49
then convert it in to prime factors
1764 = 3 × 3 × 2 × 2 × 7 × 7
= 2^2 × 3^2 × 7^2
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