1140 is divisible by the prime number 2 which results in 570. The same step can be applied 1 more time and the resultant value will be 285. Continuing, the number 285 is divisible by prime number 3 and the result after division will be 95. Continuing, the number 95 is divisible by prime number 5 and the result after division will be 19. The result 19 cannot be divided any further as it is a prime number. Hence the prime factors of 1140 are 2, 2, 3, 5, 19.
1140 is divisible by the prime number 2 which results in 570. The same step can be applied 1 more time and the resultant value will be 285. Continuing, the number 285 is divisible by prime number 3 and the result after division will be 95. Continuing, the number 95 is divisible by prime number 5 and the result after division will be 19. The result 19 cannot be divided any further as it is a prime number. Hence the prime factors of 1140 are 2, 2, 3, 5, 19.