51540605 divided by 431 
We want to figure out the number of times 51540605 can be divided by 431.

Advancing to step 1:
431 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 431

Going ahead to step 2:
When dividing 51 by 431, we get 0 with a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Append the next digit (5) from the dividend to 51 and continue with: 515 / 431

Moving on to step 3:
515 divided by 431 is 1 with a remainder of 84.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 84 after subtracting 431 from 515.
Include the next digit (4) from the dividend after 84, then repeat: 844 / 431

Step 4:
844 divided by 431 is 1 with a remainder of 413.
The next digit of our result is 1. 
Result so far: 11.0
If we subtract 431 from 844, we get 413.
Take the next digit (0) from the dividend and append it to 413, then repeat: 4130 / 431

Step 5:
If we divide 4130 by 431, we get 9 and a remainder of 251.
The next digit of our result is 9. 
Result so far: 119.0
Subtract 3879 from 4130 to get 251.
Take the next digit (6) from the dividend and append it to 251, then repeat: 2516 / 431

Going ahead to step 6:
When dividing 2516 by 431, we get 5 with a remainder of 361.
Write down 5 as next digit of the result. 
Result so far: 1195.0
The remainder is 361 after subtracting 2155 from 2516.
Append the next digit (0) from the dividend to 361 and continue with: 3610 / 431

Let's proceed to step 7:
When dividing 3610 by 431, we get 8 with a remainder of 162.
Write down 8 as next digit of the result. 
Result so far: 11958.0
The remainder is 162 after subtracting 3448 from 3610.
Grab the next digit (5) from the dividend, add it to 162, then carry on: 1625 / 431

Advancing to step 8:
If we divide 1625 by 431, we get 3 and a remainder of 332.
Record the quotient 3 as the next digit in the result. 
Result so far: 119583.0
If we take 1293 away from 1625, we end up with 332.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3320, and continue the process.

Moving on to step 9:
If we divide 3320 by 431, we get 7 and a remainder of 303.
The next digit of our result is 7. 
Result so far: 119583.7
If we subtract 3017 from 3320, we get 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Going ahead to step 10:
431 goes into 3030 7 times with a remainder of 13.
The next digit of our result is 7. 
Result so far: 119583.77
The remainder is 13 after subtracting 3017 from 3030.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

The final outcome is 119583.77, with a leftover of 0.013.