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Problem #310

Kelvin's Counting Corundum

Lord Kelvin has recently invented the kelvin scale. He is curious as to how many numbers from A = 131003220303 to B = 251203160303 (both inclusive) are co-prime with 273.

Print the answer modulo 61074397.

Contributed by Rudransh Aggarwal

Solved by 163 users

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