What is the denominator of 397 as a repeating decimal? (Recurring digits of 1/397)

Denominator of 397 as a repeating decimal

What is the denominator of 397 as a repeating decimal? First, note that a fraction in its lowest form with the denominator of 397 will always have a repeating decimal if you divide the fraction (numerator divided by denominator).

Here we will count and show you the repeating digits when the numerator is 1 and denominator is 397. In other words, we will show you the recurring digits you get when you calculate 1 divided by 397.

Below is the answer to 1 divided by 397 with the repeating decimals. We colored each interval of repeating decimals in different colors so it is easy for you to see. The repeating decimals (recurring digits) go on forever.

0.002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267...

As you can see, the repeating digits are 002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267 which will repeat indefinitely. When we counted the repeating decimals, we found that there are 99 repeating decimals in 1/397 as a decimal.

Repeating Decimal Calculator
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Denominator of 398 as a repeating decimal
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Note that the answer above only applies to 1/397. You will get a different answer if the numerator is different. Furthermore, 397 as a denominator in a fraction is only repeating for sure if the fraction is in its lowest form possible.

Bonus: To communicate what numbers are repeating in a repeating decimal, you put a line (vinculum) over the repeating digits like this:

0.002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267