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Q: What two whole numbers neither ending in 0 when multiplied equals 1000000000000000000?

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Nice problem !512 and 1,953,125 .

No,because it doesn't make sence for ending numbers multiplied together make an ending number

2*5 = 10 so 26 * 56 = 106 = 1000000 So the two numbers are 26 = 64 and 56 = 15625

Composite. All positive, whole numbers greater than two and ending in 0, 2, 4, 6 or 8 are composite.

no

Composite. All positive, whole numbers greater than two and ending in 0, 2, 4, 6 or 8 are composite.

No 909 not an even number. Only numbers ending with 0, 2, 4, 6 or 8 are even numbers (i.e. divisible by 2) Note: 0 is neither even nor odd

1953125*512=1 000 000 000ExplanationOne way to see this is to obseve that 1,000,000,000=1,0003, and 1,000=125*8, so 1,000,000,000=1,0003=(125*8)3=1253*83=1953125*512.

Whole numbers ending in 8 are even numbers. All even numbers except for 2 are composite numbers.

numbers and the sky

Yes, all whole numbers ending in 0 are multiples of 5.

Neither.

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