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