Odd numbers end in: 1,3,5,7,9
Even numbers end in: 2,4,6,8,0
19 is odd
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38 is 2 x 19
Every number can be multiplied by 19.Every number can be multiplied by 19.Every number can be multiplied by 19.Every number can be multiplied by 19.
The divisibility rule for 760 involves checking its prime factors: 2, 5, and 19. A number is divisible by 760 if it is divisible by both 2 and 5 (i.e., it ends in 0 or 5) and also by 19. Alternatively, since 760 is an even number, any even number that is also a multiple of 19 and ends in 0 will be divisible by 760.
76 is an even number so it is divisible by 2, so 2 is the first prime factor.76/2 = 38, and 38 is an even number divisible by 2, so 2is the next prime factor.38/2 = 19, and 19 is a prime number, so 19 is the next prime factor.The prime factorization of 76 is 2 x 2 x 19.
22 - it is even, it is composite.