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