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