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 {19, 25, 9, 13, 23, 2} → ______
- Prime numbers in {19, 25, 3, 2, 11, 9} → ______
- Prime numbers in {27, 13, 23, 17, 12, 11} → ______
- Prime numbers in {25, 11, 23, 7, 12, 9} → ______
- Prime numbers in {15, 17, 2, 29, 13, 11} → ______
- Prime numbers in {21, 13, 27, 9, 5, 12} → ______
- Prime numbers in {19, 15, 9, 5, 25, 17} → ______
- Prime numbers in {29, 25, 12, 11, 2, 9} → ______
- Prime numbers in {17, 21, 11, 15, 27, 7} → ______
- Prime numbers in {5, 25, 27, 17, 19, 23} → ______
- Prime numbers in {5, 25, 19, 8, 17, 3} → ______
- Prime numbers in {23, 11, 5, 13, 2, 21} → ______
- Prime numbers in {21, 2, 29, 11, 19, 27} → ______
- Prime numbers in {15, 3, 8, 13, 29, 17} → ______
- Prime numbers in {8, 23, 9, 17, 25, 27} → ______
- Prime numbers in {21, 13, 19, 11, 3, 29} → ______
- Prime numbers in {23, 27, 5, 17, 3, 12} → ______
- Prime numbers in {27, 8, 11, 5, 23, 7} → ______
- Prime numbers in {17, 29, 5, 13, 8, 12} → ______
- Prime numbers in {23, 9, 29, 13, 8, 7} → ______