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