Their HCF is 1
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169x1 is the answer
There are 139 chickens and 30 pigs. Let c = number of chickens and p = number of pigs Each has 1 head, therefore c + p = 169 Each chicken has 2 feet and each pig has 4 feet, therefore 2c + 4p = 398 => c + 2p = 199 Subtracting the first from the second gives: c + 2p - c - p = 199 - 169 => p = 30 Substitute in the first c + 30 = 169 c = 139
Any of its factors
398 goes into 629 once, with a remainder of 231. This can be calculated by dividing 629 by 398, which equals 1 with a remainder of 231. In other words, 398 goes into 629 one whole time, and there are 231 units left over.
42 goes into 398 9.48 times or 9 with remainder 20.