Story No. 251 – Imam Ali ibn Abi Taleb’s (as) Mathematical Brilliance: Whole Number and Not A Fraction

One Day a Jewish person came to Imam Ali ibn Abi Taleb (as), thinking that since Imam Ali ibn Abi Taleb thinks he is too smart, I will ask him such a tough question that he won’t be able to answer it and I will have the chance to embarrass him in front of all the Arabs.

 

Jewish person asked “Imam Ali ibn Abi Taleb, tell me a number, that if we divide it by any number from 1-10 the answer will always come in the form of a whole number and not as a fraction.”

 

Imam Ali ibn Abi Taleb (as) looked back at him and said, “Take the number of days in a year and multiply it with the number of days in a week and you will have your answer.”

 

The Jewish person got astonished but as he was a polytheist (Mushrik), he still didn’t believe Imam Ali ibn Abi Taleb (as). He calculated the answer Imam Ali ibn Abi Taleb (as) gave him.

 

To his amazement he came across the following results:

 

Whole Number and Not A FractionThe number of Days in a Year = 360 (in Arab)

 

The Number of Days in a Week = 7

 

The product of the two numbers = 2520

 

Now…

 

2520 ÷ 1 = 2520

2520 ÷ 2 = 1260

2520 ÷ 3 = 840

2520 ÷ 4 = 630

2520 ÷ 5 = 504

2520 ÷ 6 = 420

2520 ÷ 7 = 360

2520 ÷ 8 = 315

2520 ÷ 9 = 280

2520 ÷ 10= 252