Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {25, 5, 27, 12, 19, 29} → ______
- Prime numbers in {23, 8, 15, 17, 7, 11} → ______
- Prime numbers in {8, 25, 29, 23, 27, 21} → ______
- Prime numbers in {8, 13, 27, 11, 12, 23} → ______
- Prime numbers in {8, 19, 17, 15, 21, 2} → ______
- Prime numbers in {7, 8, 5, 17, 2, 9} → ______
- Prime numbers in {23, 7, 11, 29, 12, 17} → ______
- Prime numbers in {9, 5, 17, 11, 23, 21} → ______
- Prime numbers in {21, 9, 23, 17, 27, 25} → ______
- Prime numbers in {21, 8, 9, 25, 17, 13} → ______
- Prime numbers in {15, 17, 3, 21, 2, 11} → ______
- Prime numbers in {2, 15, 8, 12, 13, 23} → ______
- Prime numbers in {9, 7, 29, 25, 15, 3} → ______
- Prime numbers in {17, 9, 29, 11, 13, 25} → ______
- Prime numbers in {7, 11, 3, 9, 2, 12} → ______
- Prime numbers in {9, 19, 12, 25, 29, 13} → ______
- Prime numbers in {12, 8, 25, 21, 7, 3} → ______
- Prime numbers in {8, 9, 17, 21, 12, 13} → ______
- Prime numbers in {7, 3, 17, 15, 9, 21} → ______
- Prime numbers in {3, 13, 19, 27, 8, 15} → ______